28746484

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 56723968

約数和(自身を除く): 27977484

約数列:

[1, 2, 4, 13, 26, 37, 52, 67, 74, 134, 148, 223, 268, 446, 481, 871, 892, 962, 1742, 1924, 2479, 2899, 3484, 4958, 5798, 8251, 9916, 11596, 14941, 16502, 29882, 32227, 33004, 59764, 64454, 107263, 128908, 194233, 214526, 388466, 429052, 552817, 776932, 1105634, 2211268, 7186621, 14373242, 28746484]

約数ペア:

[(1, 28746484), (2, 14373242), (4, 7186621), (13, 2211268), (26, 1105634), (37, 776932), (52, 552817), (67, 429052), (74, 388466), (134, 214526), (148, 194233), (223, 128908), (268, 107263), (446, 64454), (481, 59764), (871, 33004), (892, 32227), (962, 29882), (1742, 16502), (1924, 14941), (2479, 11596), (2899, 9916), (3484, 8251), (4958, 5798)]