394072172

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:747

約数の個数: 72

約数和(自身を含む): 806845536

約数和(自身を除く): 412773364

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 53, 68, 106, 169, 212, 221, 338, 442, 647, 676, 689, 884, 901, 1294, 1378, 1802, 2588, 2756, 2873, 3604, 5746, 8411, 8957, 10999, 11492, 11713, 16822, 17914, 21998, 23426, 33644, 34291, 35828, 43996, 46852, 68582, 109343, 137164, 142987, 152269, 218686, 285974, 304538, 437372, 445783, 571948, 582947, 609076, 891566, 1165894, 1783132, 1858831, 2331788, 3717662, 5795179, 7435324, 7578311, 11590358, 15156622, 23180716, 30313244, 98518043, 197036086, 394072172]

約数ペア:

[(1, 394072172), (2, 197036086), (4, 98518043), (13, 30313244), (17, 23180716), (26, 15156622), (34, 11590358), (52, 7578311), (53, 7435324), (68, 5795179), (106, 3717662), (169, 2331788), (212, 1858831), (221, 1783132), (338, 1165894), (442, 891566), (647, 609076), (676, 582947), (689, 571948), (884, 445783), (901, 437372), (1294, 304538), (1378, 285974), (1802, 218686), (2588, 152269), (2756, 142987), (2873, 137164), (3604, 109343), (5746, 68582), (8411, 46852), (8957, 43996), (10999, 35828), (11492, 34291), (11713, 33644), (16822, 23426), (17914, 21998)]