128304785

素因数分解:

$5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 187708752

約数和(自身を除く): 59403967

約数列:

[1, 5, 7, 35, 41, 49, 53, 205, 241, 245, 265, 287, 371, 1205, 1435, 1687, 1855, 2009, 2173, 2597, 8435, 9881, 10045, 10865, 11809, 12773, 12985, 15211, 49405, 59045, 63865, 69167, 76055, 89411, 106477, 345835, 447055, 484169, 523693, 532385, 625877, 2420845, 2618465, 3129385, 3665851, 18329255, 25660957, 128304785]

約数ペア:

[(1, 128304785), (5, 25660957), (7, 18329255), (35, 3665851), (41, 3129385), (49, 2618465), (53, 2420845), (205, 625877), (241, 532385), (245, 523693), (265, 484169), (287, 447055), (371, 345835), (1205, 106477), (1435, 89411), (1687, 76055), (1855, 69167), (2009, 63865), (2173, 59045), (2597, 49405), (8435, 15211), (9881, 12985), (10045, 12773), (10865, 11809)]