389545390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{49123}}^1$

素因数の和:49204

約数の個数: 32

約数和(自身を含む): 767513376

約数和(自身を除く): 377967986

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 3965, 7930, 49123, 98246, 245615, 491230, 638599, 1277198, 2996503, 3192995, 5993006, 6385990, 14982515, 29965030, 38954539, 77909078, 194772695, 389545390]

約数ペア:

[(1, 389545390), (2, 194772695), (5, 77909078), (10, 38954539), (13, 29965030), (26, 14982515), (61, 6385990), (65, 5993006), (122, 3192995), (130, 2996503), (305, 1277198), (610, 638599), (793, 491230), (1586, 245615), (3965, 98246), (7930, 49123)]