71525545

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1321}}^1$

素因数の和:1370

約数の個数: 48

約数和(自身を含む): 113935248

約数和(自身を除く): 42409703

約数列:

[1, 5, 7, 13, 17, 35, 49, 65, 85, 91, 119, 221, 245, 455, 595, 637, 833, 1105, 1321, 1547, 3185, 4165, 6605, 7735, 9247, 10829, 17173, 22457, 46235, 54145, 64729, 85865, 112285, 120211, 157199, 291941, 323645, 601055, 785995, 841477, 1100393, 1459705, 2043587, 4207385, 5501965, 10217935, 14305109, 71525545]

約数ペア:

[(1, 71525545), (5, 14305109), (7, 10217935), (13, 5501965), (17, 4207385), (35, 2043587), (49, 1459705), (65, 1100393), (85, 841477), (91, 785995), (119, 601055), (221, 323645), (245, 291941), (455, 157199), (595, 120211), (637, 112285), (833, 85865), (1105, 64729), (1321, 54145), (1547, 46235), (3185, 22457), (4165, 17173), (6605, 10829), (7735, 9247)]