207978008

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2549}}^1$

素因数の和:2640

約数の個数: 64

約数和(自身を含む): 470016000

約数和(自身を除く): 262037992

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 47, 56, 62, 94, 124, 188, 217, 248, 329, 376, 434, 658, 868, 1316, 1457, 1736, 2549, 2632, 2914, 5098, 5828, 10196, 10199, 11656, 17843, 20392, 20398, 35686, 40796, 71372, 79019, 81592, 119803, 142744, 158038, 239606, 316076, 479212, 553133, 632152, 838621, 958424, 1106266, 1677242, 2212532, 3354484, 3713893, 4425064, 6708968, 7427786, 14855572, 25997251, 29711144, 51994502, 103989004, 207978008]

約数ペア:

[(1, 207978008), (2, 103989004), (4, 51994502), (7, 29711144), (8, 25997251), (14, 14855572), (28, 7427786), (31, 6708968), (47, 4425064), (56, 3713893), (62, 3354484), (94, 2212532), (124, 1677242), (188, 1106266), (217, 958424), (248, 838621), (329, 632152), (376, 553133), (434, 479212), (658, 316076), (868, 239606), (1316, 158038), (1457, 142744), (1736, 119803), (2549, 81592), (2632, 79019), (2914, 71372), (5098, 40796), (5828, 35686), (10196, 20398), (10199, 20392), (11656, 17843)]