64638875

素因数分解:

$5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2383}}^1$

素因数の和:2436

約数の個数: 32

約数和(自身を含む): 95207424

約数和(自身を除く): 30568549

約数列:

[1, 5, 7, 25, 31, 35, 125, 155, 175, 217, 775, 875, 1085, 2383, 3875, 5425, 11915, 16681, 27125, 59575, 73873, 83405, 297875, 369365, 417025, 517111, 1846825, 2085125, 2585555, 9234125, 12927775, 64638875]

約数ペア:

[(1, 64638875), (5, 12927775), (7, 9234125), (25, 2585555), (31, 2085125), (35, 1846825), (125, 517111), (155, 417025), (175, 369365), (217, 297875), (775, 83405), (875, 73873), (1085, 59575), (2383, 27125), (3875, 16681), (5425, 11915)]