168646868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2687}}^1$

素因数の和:2792

約数の個数: 48

約数和(自身を含む): 341397504

約数和(自身を除く): 172750636

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 71, 142, 221, 284, 442, 884, 923, 1207, 1846, 2414, 2687, 3692, 4828, 5374, 10748, 15691, 31382, 34931, 45679, 62764, 69862, 91358, 139724, 182716, 190777, 381554, 593827, 763108, 1187654, 2375308, 2480101, 3243209, 4960202, 6486418, 9920404, 12972836, 42161717, 84323434, 168646868]

約数ペア:

[(1, 168646868), (2, 84323434), (4, 42161717), (13, 12972836), (17, 9920404), (26, 6486418), (34, 4960202), (52, 3243209), (68, 2480101), (71, 2375308), (142, 1187654), (221, 763108), (284, 593827), (442, 381554), (884, 190777), (923, 182716), (1207, 139724), (1846, 91358), (2414, 69862), (2687, 62764), (3692, 45679), (4828, 34931), (5374, 31382), (10748, 15691)]