28071208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 61401600

約数和(自身を除く): 33330392

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 103, 152, 163, 206, 209, 326, 412, 418, 652, 824, 836, 1133, 1304, 1672, 1793, 1957, 2266, 3097, 3586, 3914, 4532, 6194, 7172, 7828, 9064, 12388, 14344, 15656, 16789, 21527, 24776, 33578, 34067, 43054, 67156, 68134, 86108, 134312, 136268, 172216, 184679, 272536, 318991, 369358, 637982, 738716, 1275964, 1477432, 2551928, 3508901, 7017802, 14035604, 28071208]

約数ペア:

[(1, 28071208), (2, 14035604), (4, 7017802), (8, 3508901), (11, 2551928), (19, 1477432), (22, 1275964), (38, 738716), (44, 637982), (76, 369358), (88, 318991), (103, 272536), (152, 184679), (163, 172216), (206, 136268), (209, 134312), (326, 86108), (412, 68134), (418, 67156), (652, 43054), (824, 34067), (836, 33578), (1133, 24776), (1304, 21527), (1672, 16789), (1793, 15656), (1957, 14344), (2266, 12388), (3097, 9064), (3586, 7828), (3914, 7172), (4532, 6194)]