66189890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 134840160

約数和(自身を除く): 68650270

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 97, 130, 145, 181, 194, 290, 362, 377, 485, 754, 905, 970, 1261, 1810, 1885, 2353, 2522, 2813, 3770, 4706, 5249, 5626, 6305, 10498, 11765, 12610, 14065, 17557, 23530, 26245, 28130, 35114, 36569, 52490, 68237, 73138, 87785, 136474, 175570, 182845, 228241, 341185, 365690, 456482, 509153, 682370, 1018306, 1141205, 2282410, 2545765, 5091530, 6618989, 13237978, 33094945, 66189890]

約数ペア:

[(1, 66189890), (2, 33094945), (5, 13237978), (10, 6618989), (13, 5091530), (26, 2545765), (29, 2282410), (58, 1141205), (65, 1018306), (97, 682370), (130, 509153), (145, 456482), (181, 365690), (194, 341185), (290, 228241), (362, 182845), (377, 175570), (485, 136474), (754, 87785), (905, 73138), (970, 68237), (1261, 52490), (1810, 36569), (1885, 35114), (2353, 28130), (2522, 26245), (2813, 23530), (3770, 17557), (4706, 14065), (5249, 12610), (5626, 11765), (6305, 10498)]