649428

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 1712256

約数和(自身を除く): 1062828

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 181, 276, 299, 362, 543, 598, 724, 897, 1086, 1196, 1794, 2172, 2353, 3588, 4163, 4706, 7059, 8326, 9412, 12489, 14118, 16652, 24978, 28236, 49956, 54119, 108238, 162357, 216476, 324714, 649428]

約数ペア:

[(1, 649428), (2, 324714), (3, 216476), (4, 162357), (6, 108238), (12, 54119), (13, 49956), (23, 28236), (26, 24978), (39, 16652), (46, 14118), (52, 12489), (69, 9412), (78, 8326), (92, 7059), (138, 4706), (156, 4163), (181, 3588), (276, 2353), (299, 2172), (362, 1794), (543, 1196), (598, 1086), (724, 897)]