71663725

素因数分解:

$5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3079}}^1$

素因数の和:3122

約数の個数: 36

約数和(自身を含む): 108847200

約数和(自身を除く): 37183475

約数列:

[1, 5, 7, 19, 25, 35, 49, 95, 133, 175, 245, 475, 665, 931, 1225, 3079, 3325, 4655, 15395, 21553, 23275, 58501, 76975, 107765, 150871, 292505, 409507, 538825, 754355, 1462525, 2047535, 2866549, 3771775, 10237675, 14332745, 71663725]

約数ペア:

[(1, 71663725), (5, 14332745), (7, 10237675), (19, 3771775), (25, 2866549), (35, 2047535), (49, 1462525), (95, 754355), (133, 538825), (175, 409507), (245, 292505), (475, 150871), (665, 107765), (931, 76975), (1225, 58501), (3079, 23275), (3325, 21553), (4655, 15395)]