31884554

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 56920320

約数和(自身を除く): 25035766

約数列:

[1, 2, 13, 17, 26, 31, 34, 62, 169, 179, 221, 338, 358, 403, 442, 527, 806, 1054, 2327, 2873, 3043, 4654, 5239, 5549, 5746, 6086, 6851, 10478, 11098, 13702, 30251, 39559, 60502, 72137, 79118, 89063, 94333, 144274, 178126, 188666, 514267, 937781, 1028534, 1226329, 1875562, 2452658, 15942277, 31884554]

約数ペア:

[(1, 31884554), (2, 15942277), (13, 2452658), (17, 1875562), (26, 1226329), (31, 1028534), (34, 937781), (62, 514267), (169, 188666), (179, 178126), (221, 144274), (338, 94333), (358, 89063), (403, 79118), (442, 72137), (527, 60502), (806, 39559), (1054, 30251), (2327, 13702), (2873, 11098), (3043, 10478), (4654, 6851), (5239, 6086), (5549, 5746)]