664381432

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{2143}}^1$

素因数の和:2444

約数の個数: 64

約数和(自身を含む): 1469583360

約数和(自身を除く): 805201928

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 271, 286, 542, 572, 1084, 1144, 2143, 2168, 2981, 3523, 4286, 5962, 7046, 8572, 11924, 14092, 17144, 23573, 23848, 27859, 28184, 38753, 47146, 55718, 77506, 94292, 111436, 155012, 188584, 222872, 306449, 310024, 580753, 612898, 1161506, 1225796, 2323012, 2451592, 4646024, 6388283, 7549789, 12776566, 15099578, 25553132, 30199156, 51106264, 60398312, 83047679, 166095358, 332190716, 664381432]

約数ペア:

[(1, 664381432), (2, 332190716), (4, 166095358), (8, 83047679), (11, 60398312), (13, 51106264), (22, 30199156), (26, 25553132), (44, 15099578), (52, 12776566), (88, 7549789), (104, 6388283), (143, 4646024), (271, 2451592), (286, 2323012), (542, 1225796), (572, 1161506), (1084, 612898), (1144, 580753), (2143, 310024), (2168, 306449), (2981, 222872), (3523, 188584), (4286, 155012), (5962, 111436), (7046, 94292), (8572, 77506), (11924, 55718), (14092, 47146), (17144, 38753), (23573, 28184), (23848, 27859)]