25871944

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 58320000

約数和(自身を除く): 32448056

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 89, 116, 178, 179, 203, 232, 356, 358, 406, 623, 712, 716, 812, 1246, 1253, 1432, 1624, 2492, 2506, 2581, 4984, 5012, 5162, 5191, 10024, 10324, 10382, 15931, 18067, 20648, 20764, 31862, 36134, 36337, 41528, 63724, 72268, 72674, 111517, 127448, 144536, 145348, 223034, 290696, 446068, 461999, 892136, 923998, 1847996, 3233993, 3695992, 6467986, 12935972, 25871944]

約数ペア:

[(1, 25871944), (2, 12935972), (4, 6467986), (7, 3695992), (8, 3233993), (14, 1847996), (28, 923998), (29, 892136), (56, 461999), (58, 446068), (89, 290696), (116, 223034), (178, 145348), (179, 144536), (203, 127448), (232, 111517), (356, 72674), (358, 72268), (406, 63724), (623, 41528), (712, 36337), (716, 36134), (812, 31862), (1246, 20764), (1253, 20648), (1432, 18067), (1624, 15931), (2492, 10382), (2506, 10324), (2581, 10024), (4984, 5191), (5012, 5162)]