77800502

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:225

約数の個数: 48

約数和(自身を含む): 133051248

約数和(自身を除く): 55250746

約数列:

[1, 2, 13, 26, 43, 53, 86, 101, 106, 169, 202, 338, 559, 689, 1118, 1313, 1378, 2279, 2626, 4343, 4558, 5353, 7267, 8686, 8957, 10706, 14534, 17069, 17914, 29627, 34138, 56459, 59254, 69589, 112918, 139178, 230179, 385151, 460358, 733967, 770302, 904657, 1467934, 1809314, 2992327, 5984654, 38900251, 77800502]

約数ペア:

[(1, 77800502), (2, 38900251), (13, 5984654), (26, 2992327), (43, 1809314), (53, 1467934), (86, 904657), (101, 770302), (106, 733967), (169, 460358), (202, 385151), (338, 230179), (559, 139178), (689, 112918), (1118, 69589), (1313, 59254), (1378, 56459), (2279, 34138), (2626, 29627), (4343, 17914), (4558, 17069), (5353, 14534), (7267, 10706), (8686, 8957)]