28280018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:207

約数の個数: 48

約数和(自身を含む): 50694336

約数和(自身を除く): 22414318

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 131, 247, 262, 299, 361, 437, 494, 598, 722, 874, 1703, 2489, 3013, 3406, 4693, 4978, 5681, 6026, 8303, 9386, 11362, 16606, 32357, 39169, 47291, 57247, 64714, 78338, 94582, 107939, 114494, 215878, 614783, 744211, 1087693, 1229566, 1488422, 2175386, 14140009, 28280018]

約数ペア:

[(1, 28280018), (2, 14140009), (13, 2175386), (19, 1488422), (23, 1229566), (26, 1087693), (38, 744211), (46, 614783), (131, 215878), (247, 114494), (262, 107939), (299, 94582), (361, 78338), (437, 64714), (494, 57247), (598, 47291), (722, 39169), (874, 32357), (1703, 16606), (2489, 11362), (3013, 9386), (3406, 8303), (4693, 6026), (4978, 5681)]