131831882

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 252564480

約数和(自身を除く): 120732598

約数列:

[1, 2, 7, 13, 14, 26, 53, 79, 91, 106, 158, 173, 182, 346, 371, 553, 689, 742, 1027, 1106, 1211, 1378, 2054, 2249, 2422, 4187, 4498, 4823, 7189, 8374, 9169, 9646, 13667, 14378, 15743, 18338, 27334, 29309, 31486, 54431, 58618, 64183, 95669, 108862, 119197, 128366, 177671, 191338, 238394, 355342, 381017, 724351, 762034, 834379, 1243697, 1448702, 1668758, 2487394, 5070457, 9416563, 10140914, 18833126, 65915941, 131831882]

約数ペア:

[(1, 131831882), (2, 65915941), (7, 18833126), (13, 10140914), (14, 9416563), (26, 5070457), (53, 2487394), (79, 1668758), (91, 1448702), (106, 1243697), (158, 834379), (173, 762034), (182, 724351), (346, 381017), (371, 355342), (553, 238394), (689, 191338), (742, 177671), (1027, 128366), (1106, 119197), (1211, 108862), (1378, 95669), (2054, 64183), (2249, 58618), (2422, 54431), (4187, 31486), (4498, 29309), (4823, 27334), (7189, 18338), (8374, 15743), (9169, 14378), (9646, 13667)]