1138228

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 2540160

約数和(自身を除く): 1401932

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 59, 91, 106, 118, 182, 212, 236, 364, 371, 413, 689, 742, 767, 826, 1378, 1484, 1534, 1652, 2756, 3068, 3127, 4823, 5369, 6254, 9646, 10738, 12508, 19292, 21476, 21889, 40651, 43778, 81302, 87556, 162604, 284557, 569114, 1138228]

約数ペア:

[(1, 1138228), (2, 569114), (4, 284557), (7, 162604), (13, 87556), (14, 81302), (26, 43778), (28, 40651), (52, 21889), (53, 21476), (59, 19292), (91, 12508), (106, 10738), (118, 9646), (182, 6254), (212, 5369), (236, 4823), (364, 3127), (371, 3068), (413, 2756), (689, 1652), (742, 1534), (767, 1484), (826, 1378)]