64387310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1293

約数の個数: 48

約数和(自身を含む): 129651840

約数和(自身を除く): 65264530

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 806, 845, 1229, 1690, 2015, 2458, 4030, 5239, 6145, 10478, 12290, 15977, 26195, 31954, 38099, 52390, 76198, 79885, 159770, 190495, 207701, 380990, 415402, 495287, 990574, 1038505, 2077010, 2476435, 4952870, 6438731, 12877462, 32193655, 64387310]

約数ペア:

[(1, 64387310), (2, 32193655), (5, 12877462), (10, 6438731), (13, 4952870), (26, 2476435), (31, 2077010), (62, 1038505), (65, 990574), (130, 495287), (155, 415402), (169, 380990), (310, 207701), (338, 190495), (403, 159770), (806, 79885), (845, 76198), (1229, 52390), (1690, 38099), (2015, 31954), (2458, 26195), (4030, 15977), (5239, 12290), (6145, 10478)]