2178447872

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{137251}}^1$

素因数の和:137300

約数の個数: 40

約数和(自身を含む): 4493081472

約数和(自身を除く): 2314633600

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 137251, 274502, 549004, 1098008, 2196016, 4254781, 4392032, 8509562, 8784064, 17019124, 17568128, 34038248, 35136256, 68076496, 70272512, 136152992, 272305984, 544611968, 1089223936, 2178447872]

約数ペア:

[(1, 2178447872), (2, 1089223936), (4, 544611968), (8, 272305984), (16, 136152992), (31, 70272512), (32, 68076496), (62, 35136256), (64, 34038248), (124, 17568128), (128, 17019124), (248, 8784064), (256, 8509562), (496, 4392032), (512, 4254781), (992, 2196016), (1984, 1098008), (3968, 549004), (7936, 274502), (15872, 137251)]