641376638

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{5303}}^1$

素因数の和:5528

約数の個数: 32

約数和(自身を含む): 1127333376

約数和(自身を除く): 485956738

約数列:

[1, 2, 7, 14, 53, 106, 163, 326, 371, 742, 1141, 2282, 5303, 8639, 10606, 17278, 37121, 60473, 74242, 120946, 281059, 562118, 864389, 1728778, 1967413, 3934826, 6050723, 12101446, 45812617, 91625234, 320688319, 641376638]

約数ペア:

[(1, 641376638), (2, 320688319), (7, 91625234), (14, 45812617), (53, 12101446), (106, 6050723), (163, 3934826), (326, 1967413), (371, 1728778), (742, 864389), (1141, 562118), (2282, 281059), (5303, 120946), (8639, 74242), (10606, 60473), (17278, 37121)]