213816928

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2971}}^1$

素因数の和:3167

約数の個数: 48

約数和(自身を含む): 456106896

約数和(自身を除く): 242289968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 173, 208, 346, 416, 692, 1384, 2249, 2768, 2971, 4498, 5536, 5942, 8996, 11884, 17992, 23768, 35984, 38623, 47536, 71968, 77246, 95072, 154492, 308984, 513983, 617968, 1027966, 1235936, 2055932, 4111864, 6681779, 8223728, 13363558, 16447456, 26727116, 53454232, 106908464, 213816928]

約数ペア:

[(1, 213816928), (2, 106908464), (4, 53454232), (8, 26727116), (13, 16447456), (16, 13363558), (26, 8223728), (32, 6681779), (52, 4111864), (104, 2055932), (173, 1235936), (208, 1027966), (346, 617968), (416, 513983), (692, 308984), (1384, 154492), (2249, 95072), (2768, 77246), (2971, 71968), (4498, 47536), (5536, 38623), (5942, 35984), (8996, 23768), (11884, 17992)]