15694990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 29424384

約数和(自身を除く): 13729394

約数列:

[1, 2, 5, 10, 31, 62, 155, 197, 257, 310, 394, 514, 985, 1285, 1970, 2570, 6107, 7967, 12214, 15934, 30535, 39835, 50629, 61070, 79670, 101258, 253145, 506290, 1569499, 3138998, 7847495, 15694990]

約数ペア:

[(1, 15694990), (2, 7847495), (5, 3138998), (10, 1569499), (31, 506290), (62, 253145), (155, 101258), (197, 79670), (257, 61070), (310, 50629), (394, 39835), (514, 30535), (985, 15934), (1285, 12214), (1970, 7967), (2570, 6107)]