78858590

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{577}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 144823680

約数和(自身を除く): 65965090

約数列:

[1, 2, 5, 10, 79, 158, 173, 346, 395, 577, 790, 865, 1154, 1730, 2885, 5770, 13667, 27334, 45583, 68335, 91166, 99821, 136670, 199642, 227915, 455830, 499105, 998210, 7885859, 15771718, 39429295, 78858590]

約数ペア:

[(1, 78858590), (2, 39429295), (5, 15771718), (10, 7885859), (79, 998210), (158, 499105), (173, 455830), (346, 227915), (395, 199642), (577, 136670), (790, 99821), (865, 91166), (1154, 68335), (1730, 45583), (2885, 27334), (5770, 13667)]