81539868

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8317}}^1$

素因数の和:8386

約数の個数: 48

約数和(自身を含む): 204955520

約数和(自身を除く): 123415652

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 43, 57, 76, 86, 114, 129, 172, 228, 258, 516, 817, 1634, 2451, 3268, 4902, 8317, 9804, 16634, 24951, 33268, 49902, 99804, 158023, 316046, 357631, 474069, 632092, 715262, 948138, 1072893, 1430524, 1896276, 2145786, 4291572, 6794989, 13589978, 20384967, 27179956, 40769934, 81539868]

約数ペア:

[(1, 81539868), (2, 40769934), (3, 27179956), (4, 20384967), (6, 13589978), (12, 6794989), (19, 4291572), (38, 2145786), (43, 1896276), (57, 1430524), (76, 1072893), (86, 948138), (114, 715262), (129, 632092), (172, 474069), (228, 357631), (258, 316046), (516, 158023), (817, 99804), (1634, 49902), (2451, 33268), (3268, 24951), (4902, 16634), (8317, 9804)]