1999826244

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{449}}^1$

素因数の和:810

約数の個数: 144

約数和(自身を含む): 5650444800

約数和(自身を除く): 3650618556

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 307, 372, 403, 449, 468, 558, 614, 806, 898, 921, 1116, 1209, 1228, 1347, 1612, 1796, 1842, 2418, 2694, 2763, 3627, 3684, 3991, 4041, 4836, 5388, 5526, 5837, 7254, 7982, 8082, 9517, 11052, 11674, 11973, 13919, 14508, 15964, 16164, 17511, 19034, 23348, 23946, 27838, 28551, 35022, 35919, 38068, 41757, 47892, 52533, 55676, 57102, 70044, 71838, 83514, 85653, 105066, 114204, 123721, 125271, 137843, 143676, 167028, 171306, 180947, 210132, 247442, 250542, 275686, 342612, 361894, 371163, 413529, 494884, 501084, 542841, 551372, 723788, 742326, 827058, 1085682, 1113489, 1240587, 1484652, 1628523, 1654116, 1791959, 2171364, 2226978, 2481174, 3257046, 3583918, 4273133, 4453956, 4962348, 5375877, 6514092, 7167836, 8546266, 10751754, 12819399, 16127631, 17092532, 21503508, 25638798, 32255262, 38458197, 51277596, 55550729, 64510524, 76916394, 111101458, 153832788, 166652187, 222202916, 333304374, 499956561, 666608748, 999913122, 1999826244]

約数ペア:

[(1, 1999826244), (2, 999913122), (3, 666608748), (4, 499956561), (6, 333304374), (9, 222202916), (12, 166652187), (13, 153832788), (18, 111101458), (26, 76916394), (31, 64510524), (36, 55550729), (39, 51277596), (52, 38458197), (62, 32255262), (78, 25638798), (93, 21503508), (117, 17092532), (124, 16127631), (156, 12819399), (186, 10751754), (234, 8546266), (279, 7167836), (307, 6514092), (372, 5375877), (403, 4962348), (449, 4453956), (468, 4273133), (558, 3583918), (614, 3257046), (806, 2481174), (898, 2226978), (921, 2171364), (1116, 1791959), (1209, 1654116), (1228, 1628523), (1347, 1484652), (1612, 1240587), (1796, 1113489), (1842, 1085682), (2418, 827058), (2694, 742326), (2763, 723788), (3627, 551372), (3684, 542841), (3991, 501084), (4041, 494884), (4836, 413529), (5388, 371163), (5526, 361894), (5837, 342612), (7254, 275686), (7982, 250542), (8082, 247442), (9517, 210132), (11052, 180947), (11674, 171306), (11973, 167028), (13919, 143676), (14508, 137843), (15964, 125271), (16164, 123721), (17511, 114204), (19034, 105066), (23348, 85653), (23946, 83514), (27838, 71838), (28551, 70044), (35022, 57102), (35919, 55676), (38068, 52533), (41757, 47892)]