181015198

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:649

約数の個数: 64

約数和(自身を含む): 353590272

約数和(自身を除く): 172575074

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 83, 91, 161, 166, 182, 299, 322, 521, 581, 598, 1042, 1079, 1162, 1909, 2093, 2158, 3647, 3818, 4186, 6773, 7294, 7553, 11983, 13363, 13546, 15106, 23966, 24817, 26726, 43243, 47411, 49634, 83881, 86486, 94822, 155779, 167762, 173719, 302701, 311558, 347438, 562159, 605402, 994589, 1090453, 1124318, 1989178, 2180906, 3935113, 6962123, 7870226, 12929657, 13924246, 25859314, 90507599, 181015198]

約数ペア:

[(1, 181015198), (2, 90507599), (7, 25859314), (13, 13924246), (14, 12929657), (23, 7870226), (26, 6962123), (46, 3935113), (83, 2180906), (91, 1989178), (161, 1124318), (166, 1090453), (182, 994589), (299, 605402), (322, 562159), (521, 347438), (581, 311558), (598, 302701), (1042, 173719), (1079, 167762), (1162, 155779), (1909, 94822), (2093, 86486), (2158, 83881), (3647, 49634), (3818, 47411), (4186, 43243), (6773, 26726), (7294, 24817), (7553, 23966), (11983, 15106), (13363, 13546)]