1247980578

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{8461}}^1$

素因数の和:8571

約数の個数: 64

約数和(自身を含む): 2820486144

約数和(自身を除く): 1572505566

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 61, 62, 78, 93, 122, 183, 186, 366, 403, 793, 806, 1209, 1586, 1891, 2379, 2418, 3782, 4758, 5673, 8461, 11346, 16922, 24583, 25383, 49166, 50766, 73749, 109993, 147498, 219986, 262291, 329979, 516121, 524582, 659958, 786873, 1032242, 1548363, 1573746, 3096726, 3409783, 6709573, 6819566, 10229349, 13419146, 15999751, 20128719, 20458698, 31999502, 40257438, 47999253, 95998506, 207996763, 415993526, 623990289, 1247980578]

約数ペア:

[(1, 1247980578), (2, 623990289), (3, 415993526), (6, 207996763), (13, 95998506), (26, 47999253), (31, 40257438), (39, 31999502), (61, 20458698), (62, 20128719), (78, 15999751), (93, 13419146), (122, 10229349), (183, 6819566), (186, 6709573), (366, 3409783), (403, 3096726), (793, 1573746), (806, 1548363), (1209, 1032242), (1586, 786873), (1891, 659958), (2379, 524582), (2418, 516121), (3782, 329979), (4758, 262291), (5673, 219986), (8461, 147498), (11346, 109993), (16922, 73749), (24583, 50766), (25383, 49166)]