251396856

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{691}}^1$

素因数の和:897

約数の個数: 96

約数和(自身を含む): 708165120

約数和(自身を除く): 456768264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 163, 186, 248, 279, 326, 372, 489, 558, 652, 691, 744, 978, 1116, 1304, 1382, 1467, 1956, 2073, 2232, 2764, 2934, 3912, 4146, 5053, 5528, 5868, 6219, 8292, 10106, 11736, 12438, 15159, 16584, 20212, 21421, 24876, 30318, 40424, 42842, 45477, 49752, 60636, 64263, 85684, 90954, 112633, 121272, 128526, 171368, 181908, 192789, 225266, 257052, 337899, 363816, 385578, 450532, 514104, 675798, 771156, 901064, 1013697, 1351596, 1542312, 2027394, 2703192, 3491623, 4054788, 6983246, 8109576, 10474869, 13966492, 20949738, 27932984, 31424607, 41899476, 62849214, 83798952, 125698428, 251396856]

約数ペア:

[(1, 251396856), (2, 125698428), (3, 83798952), (4, 62849214), (6, 41899476), (8, 31424607), (9, 27932984), (12, 20949738), (18, 13966492), (24, 10474869), (31, 8109576), (36, 6983246), (62, 4054788), (72, 3491623), (93, 2703192), (124, 2027394), (163, 1542312), (186, 1351596), (248, 1013697), (279, 901064), (326, 771156), (372, 675798), (489, 514104), (558, 450532), (652, 385578), (691, 363816), (744, 337899), (978, 257052), (1116, 225266), (1304, 192789), (1382, 181908), (1467, 171368), (1956, 128526), (2073, 121272), (2232, 112633), (2764, 90954), (2934, 85684), (3912, 64263), (4146, 60636), (5053, 49752), (5528, 45477), (5868, 42842), (6219, 40424), (8292, 30318), (10106, 24876), (11736, 21421), (12438, 20212), (15159, 16584)]