71821856

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 145141920

約数和(自身を除く): 73320064

約数列:

[1, 2, 4, 8, 16, 32, 67, 134, 139, 241, 268, 278, 482, 536, 556, 964, 1072, 1112, 1928, 2144, 2224, 3856, 4448, 7712, 9313, 16147, 18626, 32294, 33499, 37252, 64588, 66998, 74504, 129176, 133996, 149008, 258352, 267992, 298016, 516704, 535984, 1071968, 2244433, 4488866, 8977732, 17955464, 35910928, 71821856]

約数ペア:

[(1, 71821856), (2, 35910928), (4, 17955464), (8, 8977732), (16, 4488866), (32, 2244433), (67, 1071968), (134, 535984), (139, 516704), (241, 298016), (268, 267992), (278, 258352), (482, 149008), (536, 133996), (556, 129176), (964, 74504), (1072, 66998), (1112, 64588), (1928, 37252), (2144, 33499), (2224, 32294), (3856, 18626), (4448, 16147), (7712, 9313)]