853643063

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 1115412480

約数和(自身を除く): 261769417

約数列:

[1, 7, 13, 31, 49, 91, 139, 217, 311, 403, 637, 973, 1519, 1807, 2177, 2821, 4043, 4309, 6811, 9641, 12649, 15239, 19747, 28301, 30163, 43229, 56017, 67487, 88543, 125333, 198107, 211141, 302603, 392119, 472409, 561977, 877331, 1340099, 2118221, 2744833, 3933839, 6141317, 9380693, 17421287, 27536873, 65664851, 121949009, 853643063]

約数ペア:

[(1, 853643063), (7, 121949009), (13, 65664851), (31, 27536873), (49, 17421287), (91, 9380693), (139, 6141317), (217, 3933839), (311, 2744833), (403, 2118221), (637, 1340099), (973, 877331), (1519, 561977), (1807, 472409), (2177, 392119), (2821, 302603), (4043, 211141), (4309, 198107), (6811, 125333), (9641, 88543), (12649, 67487), (15239, 56017), (19747, 43229), (28301, 30163)]