31247125

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:143

約数の個数: 64

約数和(自身を含む): 49900032

約数和(自身を除く): 18652907

約数列:

[1, 5, 7, 13, 25, 35, 41, 65, 67, 91, 125, 175, 205, 287, 325, 335, 455, 469, 533, 871, 875, 1025, 1435, 1625, 1675, 2275, 2345, 2665, 2747, 3731, 4355, 5125, 6097, 7175, 8375, 11375, 11725, 13325, 13735, 18655, 19229, 21775, 30485, 35711, 35875, 58625, 66625, 68675, 93275, 96145, 108875, 152425, 178555, 249977, 343375, 466375, 480725, 762125, 892775, 1249885, 2403625, 4463875, 6249425, 31247125]

約数ペア:

[(1, 31247125), (5, 6249425), (7, 4463875), (13, 2403625), (25, 1249885), (35, 892775), (41, 762125), (65, 480725), (67, 466375), (91, 343375), (125, 249977), (175, 178555), (205, 152425), (287, 108875), (325, 96145), (335, 93275), (455, 68675), (469, 66625), (533, 58625), (871, 35875), (875, 35711), (1025, 30485), (1435, 21775), (1625, 19229), (1675, 18655), (2275, 13735), (2345, 13325), (2665, 11725), (2747, 11375), (3731, 8375), (4355, 7175), (5125, 6097)]