401642072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{647}}^1$

素因数の和:840

約数の個数: 64

約数和(自身を含む): 836075520

約数和(自身を除く): 434433448

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 127, 188, 254, 376, 508, 611, 647, 1016, 1222, 1294, 1651, 2444, 2588, 3302, 4888, 5176, 5969, 6604, 8411, 11938, 13208, 16822, 23876, 30409, 33644, 47752, 60818, 67288, 77597, 82169, 121636, 155194, 164338, 243272, 310388, 328676, 395317, 620776, 657352, 790634, 1068197, 1581268, 2136394, 3162536, 3861943, 4272788, 7723886, 8545576, 15447772, 30895544, 50205259, 100410518, 200821036, 401642072]

約数ペア:

[(1, 401642072), (2, 200821036), (4, 100410518), (8, 50205259), (13, 30895544), (26, 15447772), (47, 8545576), (52, 7723886), (94, 4272788), (104, 3861943), (127, 3162536), (188, 2136394), (254, 1581268), (376, 1068197), (508, 790634), (611, 657352), (647, 620776), (1016, 395317), (1222, 328676), (1294, 310388), (1651, 243272), (2444, 164338), (2588, 155194), (3302, 121636), (4888, 82169), (5176, 77597), (5969, 67288), (6604, 60818), (8411, 47752), (11938, 33644), (13208, 30409), (16822, 23876)]