311257072

素因数分解:

$2^4\times 7^1\times {\mathrm{211}}^1\times {\mathrm{13171}}^1$

素因数の和:13397

約数の個数: 40

約数和(自身を含む): 692531072

約数和(自身を除く): 381274000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 211, 422, 844, 1477, 1688, 2954, 3376, 5908, 11816, 13171, 23632, 26342, 52684, 92197, 105368, 184394, 210736, 368788, 737576, 1475152, 2779081, 5558162, 11116324, 19453567, 22232648, 38907134, 44465296, 77814268, 155628536, 311257072]

約数ペア:

[(1, 311257072), (2, 155628536), (4, 77814268), (7, 44465296), (8, 38907134), (14, 22232648), (16, 19453567), (28, 11116324), (56, 5558162), (112, 2779081), (211, 1475152), (422, 737576), (844, 368788), (1477, 210736), (1688, 184394), (2954, 105368), (3376, 92197), (5908, 52684), (11816, 26342), (13171, 23632)]