128214008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{4583}}^1$

素因数の和:4871

約数の個数: 32

約数和(自身を含む): 259912800

約数和(自身を除く): 131698792

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 269, 538, 1076, 2152, 3497, 4583, 6994, 9166, 13988, 18332, 27976, 36664, 59579, 119158, 238316, 476632, 1232827, 2465654, 4931308, 9862616, 16026751, 32053502, 64107004, 128214008]

約数ペア:

[(1, 128214008), (2, 64107004), (4, 32053502), (8, 16026751), (13, 9862616), (26, 4931308), (52, 2465654), (104, 1232827), (269, 476632), (538, 238316), (1076, 119158), (2152, 59579), (3497, 36664), (4583, 27976), (6994, 18332), (9166, 13988)]