662178972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{631}}^1$

素因数の和:720

約数の個数: 144

約数和(自身を含む): 1968078336

約数和(自身を除く): 1305899364

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 31, 39, 42, 52, 62, 78, 84, 91, 93, 124, 156, 182, 186, 217, 273, 364, 372, 403, 434, 546, 631, 651, 806, 868, 961, 1092, 1209, 1262, 1302, 1612, 1893, 1922, 2418, 2524, 2604, 2821, 2883, 3786, 3844, 4417, 4836, 5642, 5766, 6727, 7572, 8203, 8463, 8834, 11284, 11532, 12493, 13251, 13454, 16406, 16926, 17668, 19561, 20181, 24609, 24986, 26502, 26908, 32812, 33852, 37479, 39122, 40362, 49218, 49972, 53004, 57421, 58683, 74958, 78244, 80724, 87451, 98436, 114842, 117366, 136927, 149916, 172263, 174902, 229684, 234732, 254293, 262353, 273854, 344526, 349804, 410781, 508586, 524706, 547708, 606391, 689052, 762879, 821562, 1017172, 1049412, 1212782, 1525758, 1643124, 1780051, 1819173, 2425564, 3051516, 3560102, 3638346, 4244737, 5340153, 7120204, 7276692, 7883083, 8489474, 10680306, 12734211, 15766166, 16978948, 21360612, 23649249, 25468422, 31532332, 47298498, 50936844, 55181581, 94596996, 110363162, 165544743, 220726324, 331089486, 662178972]

約数ペア:

[(1, 662178972), (2, 331089486), (3, 220726324), (4, 165544743), (6, 110363162), (7, 94596996), (12, 55181581), (13, 50936844), (14, 47298498), (21, 31532332), (26, 25468422), (28, 23649249), (31, 21360612), (39, 16978948), (42, 15766166), (52, 12734211), (62, 10680306), (78, 8489474), (84, 7883083), (91, 7276692), (93, 7120204), (124, 5340153), (156, 4244737), (182, 3638346), (186, 3560102), (217, 3051516), (273, 2425564), (364, 1819173), (372, 1780051), (403, 1643124), (434, 1525758), (546, 1212782), (631, 1049412), (651, 1017172), (806, 821562), (868, 762879), (961, 689052), (1092, 606391), (1209, 547708), (1262, 524706), (1302, 508586), (1612, 410781), (1893, 349804), (1922, 344526), (2418, 273854), (2524, 262353), (2604, 254293), (2821, 234732), (2883, 229684), (3786, 174902), (3844, 172263), (4417, 149916), (4836, 136927), (5642, 117366), (5766, 114842), (6727, 98436), (7572, 87451), (8203, 80724), (8463, 78244), (8834, 74958), (11284, 58683), (11532, 57421), (12493, 53004), (13251, 49972), (13454, 49218), (16406, 40362), (16926, 39122), (17668, 37479), (19561, 33852), (20181, 32812), (24609, 26908), (24986, 26502)]