1961131458

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{719}}^1$

素因数の和:793

約数の個数: 144

約数和(自身を含む): 4938917760

約数和(自身を除く): 2977786302

約数列:

[1, 2, 3, 6, 11, 13, 17, 22, 26, 33, 34, 39, 51, 66, 78, 102, 121, 143, 187, 221, 242, 286, 289, 363, 374, 429, 442, 561, 578, 663, 719, 726, 858, 867, 1122, 1326, 1438, 1573, 1734, 2057, 2157, 2431, 3146, 3179, 3757, 4114, 4314, 4719, 4862, 6171, 6358, 7293, 7514, 7909, 9347, 9438, 9537, 11271, 12223, 12342, 14586, 15818, 18694, 19074, 22542, 23727, 24446, 26741, 28041, 34969, 36669, 41327, 47454, 53482, 56082, 69938, 73338, 80223, 82654, 86999, 102817, 104907, 123981, 134453, 158899, 160446, 173998, 205634, 207791, 209814, 247962, 260997, 268906, 308451, 317798, 403359, 415582, 454597, 476697, 521994, 616902, 623373, 806718, 909194, 953394, 1130987, 1246746, 1363791, 1478983, 1747889, 2261974, 2285701, 2701283, 2727582, 2957966, 3392961, 3495778, 4436949, 4571402, 5243667, 5402566, 6785922, 6857103, 8103849, 8873898, 10487334, 13714206, 16207698, 19226779, 25142711, 29714113, 38453558, 50285422, 57680337, 59428226, 75428133, 89142339, 115360674, 150856266, 178284678, 326855243, 653710486, 980565729, 1961131458]

約数ペア:

[(1, 1961131458), (2, 980565729), (3, 653710486), (6, 326855243), (11, 178284678), (13, 150856266), (17, 115360674), (22, 89142339), (26, 75428133), (33, 59428226), (34, 57680337), (39, 50285422), (51, 38453558), (66, 29714113), (78, 25142711), (102, 19226779), (121, 16207698), (143, 13714206), (187, 10487334), (221, 8873898), (242, 8103849), (286, 6857103), (289, 6785922), (363, 5402566), (374, 5243667), (429, 4571402), (442, 4436949), (561, 3495778), (578, 3392961), (663, 2957966), (719, 2727582), (726, 2701283), (858, 2285701), (867, 2261974), (1122, 1747889), (1326, 1478983), (1438, 1363791), (1573, 1246746), (1734, 1130987), (2057, 953394), (2157, 909194), (2431, 806718), (3146, 623373), (3179, 616902), (3757, 521994), (4114, 476697), (4314, 454597), (4719, 415582), (4862, 403359), (6171, 317798), (6358, 308451), (7293, 268906), (7514, 260997), (7909, 247962), (9347, 209814), (9438, 207791), (9537, 205634), (11271, 173998), (12223, 160446), (12342, 158899), (14586, 134453), (15818, 123981), (18694, 104907), (19074, 102817), (22542, 86999), (23727, 82654), (24446, 80223), (26741, 73338), (28041, 69938), (34969, 56082), (36669, 53482), (41327, 47454)]