128468536

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 283392000

約数和(自身を除く): 154923464

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 79, 142, 158, 284, 316, 409, 497, 553, 568, 632, 818, 994, 1106, 1636, 1988, 2212, 2863, 3272, 3976, 4424, 5609, 5726, 11218, 11452, 22436, 22904, 29039, 32311, 39263, 44872, 58078, 64622, 78526, 116156, 129244, 157052, 203273, 226177, 232312, 258488, 314104, 406546, 452354, 813092, 904708, 1626184, 1809416, 2294081, 4588162, 9176324, 16058567, 18352648, 32117134, 64234268, 128468536]

約数ペア:

[(1, 128468536), (2, 64234268), (4, 32117134), (7, 18352648), (8, 16058567), (14, 9176324), (28, 4588162), (56, 2294081), (71, 1809416), (79, 1626184), (142, 904708), (158, 813092), (284, 452354), (316, 406546), (409, 314104), (497, 258488), (553, 232312), (568, 226177), (632, 203273), (818, 157052), (994, 129244), (1106, 116156), (1636, 78526), (1988, 64622), (2212, 58078), (2863, 44872), (3272, 39263), (3976, 32311), (4424, 29039), (5609, 22904), (5726, 22436), (11218, 11452)]