85191990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3581}}^1$

素因数の和:3665

約数の個数: 64

約数和(自身を含む): 223860672

約数和(自身を除く): 138668682

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 61, 65, 78, 122, 130, 183, 195, 305, 366, 390, 610, 793, 915, 1586, 1830, 2379, 3581, 3965, 4758, 7162, 7930, 10743, 11895, 17905, 21486, 23790, 35810, 46553, 53715, 93106, 107430, 139659, 218441, 232765, 279318, 436882, 465530, 655323, 698295, 1092205, 1310646, 1396590, 2184410, 2839733, 3276615, 5679466, 6553230, 8519199, 14198665, 17038398, 28397330, 42595995, 85191990]

約数ペア:

[(1, 85191990), (2, 42595995), (3, 28397330), (5, 17038398), (6, 14198665), (10, 8519199), (13, 6553230), (15, 5679466), (26, 3276615), (30, 2839733), (39, 2184410), (61, 1396590), (65, 1310646), (78, 1092205), (122, 698295), (130, 655323), (183, 465530), (195, 436882), (305, 279318), (366, 232765), (390, 218441), (610, 139659), (793, 107430), (915, 93106), (1586, 53715), (1830, 46553), (2379, 35810), (3581, 23790), (3965, 21486), (4758, 17905), (7162, 11895), (7930, 10743)]