681716798932

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{919}}^1\times {\mathrm{212917}}^1$

素因数の和:213920

約数の個数: 48

約数和(自身を含む): 1305374707840

約数和(自身を除く): 623657908908

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 919, 1742, 1838, 3484, 3676, 11947, 23894, 47788, 61573, 123146, 212917, 246292, 425834, 800449, 851668, 1600898, 2767921, 3201796, 5535842, 11071684, 14265439, 28530878, 57061756, 185450707, 195670723, 370901414, 391341446, 741802828, 782682892, 2543719399, 5087438798, 10174877596, 13109938441, 26219876882, 52439753764, 170429199733, 340858399466, 681716798932]

約数ペア:

[(1, 681716798932), (2, 340858399466), (4, 170429199733), (13, 52439753764), (26, 26219876882), (52, 13109938441), (67, 10174877596), (134, 5087438798), (268, 2543719399), (871, 782682892), (919, 741802828), (1742, 391341446), (1838, 370901414), (3484, 195670723), (3676, 185450707), (11947, 57061756), (23894, 28530878), (47788, 14265439), (61573, 11071684), (123146, 5535842), (212917, 3201796), (246292, 2767921), (425834, 1600898), (800449, 851668)]