77792428

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 159667200

約数和(自身を除く): 81874772

約数列:

[1, 2, 4, 7, 14, 28, 71, 109, 142, 218, 284, 359, 436, 497, 718, 763, 994, 1436, 1526, 1988, 2513, 3052, 5026, 7739, 10052, 15478, 25489, 30956, 39131, 50978, 54173, 78262, 101956, 108346, 156524, 178423, 216692, 273917, 356846, 547834, 713692, 1095668, 2778301, 5556602, 11113204, 19448107, 38896214, 77792428]

約数ペア:

[(1, 77792428), (2, 38896214), (4, 19448107), (7, 11113204), (14, 5556602), (28, 2778301), (71, 1095668), (109, 713692), (142, 547834), (218, 356846), (284, 273917), (359, 216692), (436, 178423), (497, 156524), (718, 108346), (763, 101956), (994, 78262), (1436, 54173), (1526, 50978), (1988, 39131), (2513, 30956), (3052, 25489), (5026, 15478), (7739, 10052)]