386888890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{9067}}^1$

素因数の和:9342

約数の個数: 32

約数和(自身を含む): 740384064

約数和(自身を除く): 353495174

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 251, 502, 1255, 2510, 4267, 8534, 9067, 18134, 21335, 42670, 45335, 90670, 154139, 308278, 770695, 1541390, 2275817, 4551634, 11379085, 22758170, 38688889, 77377778, 193444445, 386888890]

約数ペア:

[(1, 386888890), (2, 193444445), (5, 77377778), (10, 38688889), (17, 22758170), (34, 11379085), (85, 4551634), (170, 2275817), (251, 1541390), (502, 770695), (1255, 308278), (2510, 154139), (4267, 90670), (8534, 45335), (9067, 42670), (18134, 21335)]