39637325

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 65308320

約数和(自身を除く): 25670995

約数列:

[1, 5, 7, 13, 19, 25, 35, 49, 65, 91, 95, 131, 133, 175, 245, 247, 325, 455, 475, 637, 655, 665, 917, 931, 1225, 1235, 1703, 1729, 2275, 2489, 3185, 3275, 3325, 4585, 4655, 6175, 6419, 8515, 8645, 11921, 12103, 12445, 15925, 17423, 22925, 23275, 32095, 32357, 42575, 43225, 59605, 60515, 62225, 83447, 87115, 121961, 160475, 161785, 226499, 298025, 302575, 417235, 435575, 609805, 808925, 1132495, 1585493, 2086175, 3049025, 5662475, 7927465, 39637325]

約数ペア:

[(1, 39637325), (5, 7927465), (7, 5662475), (13, 3049025), (19, 2086175), (25, 1585493), (35, 1132495), (49, 808925), (65, 609805), (91, 435575), (95, 417235), (131, 302575), (133, 298025), (175, 226499), (245, 161785), (247, 160475), (325, 121961), (455, 87115), (475, 83447), (637, 62225), (655, 60515), (665, 59605), (917, 43225), (931, 42575), (1225, 32357), (1235, 32095), (1703, 23275), (1729, 22925), (2275, 17423), (2489, 15925), (3185, 12445), (3275, 12103), (3325, 11921), (4585, 8645), (4655, 8515), (6175, 6419)]