28180016

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{331}}^1$

素因数の和:669

約数の個数: 40

約数和(自身を含む): 58170384

約数和(自身を除く): 29990368

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 313, 331, 626, 662, 1252, 1324, 2504, 2648, 5008, 5296, 5321, 5627, 10642, 11254, 21284, 22508, 42568, 45016, 85136, 90032, 103603, 207206, 414412, 828824, 1657648, 1761251, 3522502, 7045004, 14090008, 28180016]

約数ペア:

[(1, 28180016), (2, 14090008), (4, 7045004), (8, 3522502), (16, 1761251), (17, 1657648), (34, 828824), (68, 414412), (136, 207206), (272, 103603), (313, 90032), (331, 85136), (626, 45016), (662, 42568), (1252, 22508), (1324, 21284), (2504, 11254), (2648, 10642), (5008, 5627), (5296, 5321)]