17990726

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:177

約数の個数: 48

約数和(自身を含む): 32254848

約数和(自身を除く): 14264122

約数列:

[1, 2, 13, 17, 26, 31, 34, 62, 101, 169, 202, 221, 338, 403, 442, 527, 806, 1054, 1313, 1717, 2626, 2873, 3131, 3434, 5239, 5746, 6262, 6851, 10478, 13702, 17069, 22321, 34138, 40703, 44642, 53227, 81406, 89063, 106454, 178126, 290173, 529139, 580346, 691951, 1058278, 1383902, 8995363, 17990726]

約数ペア:

[(1, 17990726), (2, 8995363), (13, 1383902), (17, 1058278), (26, 691951), (31, 580346), (34, 529139), (62, 290173), (101, 178126), (169, 106454), (202, 89063), (221, 81406), (338, 53227), (403, 44642), (442, 40703), (527, 34138), (806, 22321), (1054, 17069), (1313, 13702), (1717, 10478), (2626, 6851), (2873, 6262), (3131, 5746), (3434, 5239)]