128242555

素因数分解:

$5^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:153

約数の個数: 64

約数和(自身を含む): 192614400

約数和(自身を除く): 64371845

約数列:

[1, 5, 7, 35, 37, 43, 47, 49, 185, 215, 235, 245, 259, 301, 329, 343, 1295, 1505, 1591, 1645, 1715, 1739, 1813, 2021, 2107, 2303, 7955, 8695, 9065, 10105, 10535, 11137, 11515, 12173, 12691, 14147, 14749, 16121, 55685, 60865, 63455, 70735, 73745, 74777, 77959, 80605, 85211, 99029, 373885, 389795, 426055, 495145, 523439, 545713, 596477, 693203, 2617195, 2728565, 2982385, 3466015, 3664073, 18320365, 25648511, 128242555]

約数ペア:

[(1, 128242555), (5, 25648511), (7, 18320365), (35, 3664073), (37, 3466015), (43, 2982385), (47, 2728565), (49, 2617195), (185, 693203), (215, 596477), (235, 545713), (245, 523439), (259, 495145), (301, 426055), (329, 389795), (343, 373885), (1295, 99029), (1505, 85211), (1591, 80605), (1645, 77959), (1715, 74777), (1739, 73745), (1813, 70735), (2021, 63455), (2107, 60865), (2303, 55685), (7955, 16121), (8695, 14749), (9065, 14147), (10105, 12691), (10535, 12173), (11137, 11515)]