388491256

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{691}}^1\times {\mathrm{2267}}^1$

素因数の和:2995

約数の個数: 32

約数和(自身を含む): 753338880

約数和(自身を除く): 364847624

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 691, 1382, 2267, 2764, 4534, 5528, 9068, 18136, 21421, 42842, 70277, 85684, 140554, 171368, 281108, 562216, 1566497, 3132994, 6265988, 12531976, 48561407, 97122814, 194245628, 388491256]

約数ペア:

[(1, 388491256), (2, 194245628), (4, 97122814), (8, 48561407), (31, 12531976), (62, 6265988), (124, 3132994), (248, 1566497), (691, 562216), (1382, 281108), (2267, 171368), (2764, 140554), (4534, 85684), (5528, 70277), (9068, 42842), (18136, 21421)]