520143728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{35221}}^1$

素因数の和:35313

約数の個数: 40

約数和(自身を含む): 1100617056

約数和(自身を除く): 580473328

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 3692, 7384, 14768, 35221, 70442, 140884, 281768, 457873, 563536, 915746, 1831492, 2500691, 3662984, 5001382, 7325968, 10002764, 20005528, 32508983, 40011056, 65017966, 130035932, 260071864, 520143728]

約数ペア:

[(1, 520143728), (2, 260071864), (4, 130035932), (8, 65017966), (13, 40011056), (16, 32508983), (26, 20005528), (52, 10002764), (71, 7325968), (104, 5001382), (142, 3662984), (208, 2500691), (284, 1831492), (568, 915746), (923, 563536), (1136, 457873), (1846, 281768), (3692, 140884), (7384, 70442), (14768, 35221)]