28808104

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 62496000

約数和(自身を除く): 33687896

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 61, 76, 104, 122, 152, 239, 244, 247, 478, 488, 494, 793, 956, 988, 1159, 1586, 1912, 1976, 2318, 3107, 3172, 4541, 4636, 6214, 6344, 9082, 9272, 12428, 14579, 15067, 18164, 24856, 29158, 30134, 36328, 58316, 59033, 60268, 116632, 118066, 120536, 189527, 236132, 277001, 379054, 472264, 554002, 758108, 1108004, 1516216, 2216008, 3601013, 7202026, 14404052, 28808104]

約数ペア:

[(1, 28808104), (2, 14404052), (4, 7202026), (8, 3601013), (13, 2216008), (19, 1516216), (26, 1108004), (38, 758108), (52, 554002), (61, 472264), (76, 379054), (104, 277001), (122, 236132), (152, 189527), (239, 120536), (244, 118066), (247, 116632), (478, 60268), (488, 59033), (494, 58316), (793, 36328), (956, 30134), (988, 29158), (1159, 24856), (1586, 18164), (1912, 15067), (1976, 14579), (2318, 12428), (3107, 9272), (3172, 9082), (4541, 6344), (4636, 6214)]