201452986

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1\times {\mathrm{521}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 351786240

約数和(自身を除く): 150333254

約数列:

[1, 2, 7, 14, 71, 142, 389, 497, 521, 778, 994, 1042, 2723, 3647, 5446, 7294, 27619, 36991, 55238, 73982, 193333, 202669, 258937, 386666, 405338, 517874, 1418683, 2837366, 14389499, 28778998, 100726493, 201452986]

約数ペア:

[(1, 201452986), (2, 100726493), (7, 28778998), (14, 14389499), (71, 2837366), (142, 1418683), (389, 517874), (497, 405338), (521, 386666), (778, 258937), (994, 202669), (1042, 193333), (2723, 73982), (3647, 55238), (5446, 36991), (7294, 27619)]