253505728

素因数分解:

$2^6\times 7^1\times {\mathrm{571}}^1\times {\mathrm{991}}^1$

素因数の和:1581

約数の個数: 56

約数和(自身を含む): 576502784

約数和(自身を除く): 322997056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 571, 991, 1142, 1982, 2284, 3964, 3997, 4568, 6937, 7928, 7994, 9136, 13874, 15856, 15988, 18272, 27748, 31712, 31976, 36544, 55496, 63424, 63952, 110992, 127904, 221984, 255808, 443968, 565861, 1131722, 2263444, 3961027, 4526888, 7922054, 9053776, 15844108, 18107552, 31688216, 36215104, 63376432, 126752864, 253505728]

約数ペア:

[(1, 253505728), (2, 126752864), (4, 63376432), (7, 36215104), (8, 31688216), (14, 18107552), (16, 15844108), (28, 9053776), (32, 7922054), (56, 4526888), (64, 3961027), (112, 2263444), (224, 1131722), (448, 565861), (571, 443968), (991, 255808), (1142, 221984), (1982, 127904), (2284, 110992), (3964, 63952), (3997, 63424), (4568, 55496), (6937, 36544), (7928, 31976), (7994, 31712), (9136, 27748), (13874, 18272), (15856, 15988)]