285931009

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{2039}}^1$

素因数の和:2149

約数の個数: 32

約数和(自身を含む): 372879360

約数和(自身を除く): 86948351

約数列:

[1, 7, 13, 23, 67, 91, 161, 299, 469, 871, 1541, 2039, 2093, 6097, 10787, 14273, 20033, 26507, 46897, 136613, 140231, 185549, 328279, 609661, 956291, 1775969, 3142099, 4267627, 12431783, 21994693, 40847287, 285931009]

約数ペア:

[(1, 285931009), (7, 40847287), (13, 21994693), (23, 12431783), (67, 4267627), (91, 3142099), (161, 1775969), (299, 956291), (469, 609661), (871, 328279), (1541, 185549), (2039, 140231), (2093, 136613), (6097, 46897), (10787, 26507), (14273, 20033)]