81215448

素因数分解:

$2^3\times 3^1\times {\mathrm{271}}^1\times {\mathrm{12487}}^1$

素因数の和:12767

約数の個数: 32

約数和(自身を含む): 203804160

約数和(自身を除く): 122588712

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 271, 542, 813, 1084, 1626, 2168, 3252, 6504, 12487, 24974, 37461, 49948, 74922, 99896, 149844, 299688, 3383977, 6767954, 10151931, 13535908, 20303862, 27071816, 40607724, 81215448]

約数ペア:

[(1, 81215448), (2, 40607724), (3, 27071816), (4, 20303862), (6, 13535908), (8, 10151931), (12, 6767954), (24, 3383977), (271, 299688), (542, 149844), (813, 99896), (1084, 74922), (1626, 49948), (2168, 37461), (3252, 24974), (6504, 12487)]