251034032

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{8297}}^1$

素因数の和:8397

約数の個数: 40

約数和(自身を含む): 510360192

約数和(自身を除く): 259326160

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 244, 248, 488, 496, 976, 1891, 3782, 7564, 8297, 15128, 16594, 30256, 33188, 66376, 132752, 257207, 506117, 514414, 1012234, 1028828, 2024468, 2057656, 4048936, 4115312, 8097872, 15689627, 31379254, 62758508, 125517016, 251034032]

約数ペア:

[(1, 251034032), (2, 125517016), (4, 62758508), (8, 31379254), (16, 15689627), (31, 8097872), (61, 4115312), (62, 4048936), (122, 2057656), (124, 2024468), (244, 1028828), (248, 1012234), (488, 514414), (496, 506117), (976, 257207), (1891, 132752), (3782, 66376), (7564, 33188), (8297, 30256), (15128, 16594)]