278709244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{103841}}^1$

素因数の和:103917

約数の個数: 24

約数和(自身を含む): 540809136

約数和(自身を除く): 262099892

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 103841, 207682, 415364, 1142251, 2284502, 4569004, 6334301, 12668602, 25337204, 69677311, 139354622, 278709244]

約数ペア:

[(1, 278709244), (2, 139354622), (4, 69677311), (11, 25337204), (22, 12668602), (44, 6334301), (61, 4569004), (122, 2284502), (244, 1142251), (671, 415364), (1342, 207682), (2684, 103841)]