401900044

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{15551}}^1$

素因数の和:15646

約数の個数: 48

約数和(自身を含む): 877879296

約数和(自身を除く): 475979252

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 71, 91, 142, 182, 284, 364, 497, 923, 994, 1846, 1988, 3692, 6461, 12922, 15551, 25844, 31102, 62204, 108857, 202163, 217714, 404326, 435428, 808652, 1104121, 1415141, 2208242, 2830282, 4416484, 5660564, 7728847, 14353573, 15457694, 28707146, 30915388, 57414292, 100475011, 200950022, 401900044]

約数ペア:

[(1, 401900044), (2, 200950022), (4, 100475011), (7, 57414292), (13, 30915388), (14, 28707146), (26, 15457694), (28, 14353573), (52, 7728847), (71, 5660564), (91, 4416484), (142, 2830282), (182, 2208242), (284, 1415141), (364, 1104121), (497, 808652), (923, 435428), (994, 404326), (1846, 217714), (1988, 202163), (3692, 108857), (6461, 62204), (12922, 31102), (15551, 25844)]