128391536

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{809}}^1$

素因数の和:946

約数の個数: 80

約数和(自身を含む): 309355200

約数和(自身を除く): 180963664

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 109, 112, 182, 208, 218, 364, 436, 728, 763, 809, 872, 1417, 1456, 1526, 1618, 1744, 2834, 3052, 3236, 5663, 5668, 6104, 6472, 9919, 10517, 11326, 11336, 12208, 12944, 19838, 21034, 22652, 22672, 39676, 42068, 45304, 73619, 79352, 84136, 88181, 90608, 147238, 158704, 168272, 176362, 294476, 352724, 588952, 617267, 705448, 1146353, 1177904, 1234534, 1410896, 2292706, 2469068, 4585412, 4938136, 8024471, 9170824, 9876272, 16048942, 18341648, 32097884, 64195768, 128391536]

約数ペア:

[(1, 128391536), (2, 64195768), (4, 32097884), (7, 18341648), (8, 16048942), (13, 9876272), (14, 9170824), (16, 8024471), (26, 4938136), (28, 4585412), (52, 2469068), (56, 2292706), (91, 1410896), (104, 1234534), (109, 1177904), (112, 1146353), (182, 705448), (208, 617267), (218, 588952), (364, 352724), (436, 294476), (728, 176362), (763, 168272), (809, 158704), (872, 147238), (1417, 90608), (1456, 88181), (1526, 84136), (1618, 79352), (1744, 73619), (2834, 45304), (3052, 42068), (3236, 39676), (5663, 22672), (5668, 22652), (6104, 21034), (6472, 19838), (9919, 12944), (10517, 12208), (11326, 11336)]