39404272

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{521}}^1$

素因数の和:721

約数の個数: 40

約数和(自身を含む): 79615440

約数和(自身を除く): 40211168

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 163, 232, 326, 464, 521, 652, 1042, 1304, 2084, 2608, 4168, 4727, 8336, 9454, 15109, 18908, 30218, 37816, 60436, 75632, 84923, 120872, 169846, 241744, 339692, 679384, 1358768, 2462767, 4925534, 9851068, 19702136, 39404272]

約数ペア:

[(1, 39404272), (2, 19702136), (4, 9851068), (8, 4925534), (16, 2462767), (29, 1358768), (58, 679384), (116, 339692), (163, 241744), (232, 169846), (326, 120872), (464, 84923), (521, 75632), (652, 60436), (1042, 37816), (1304, 30218), (2084, 18908), (2608, 15109), (4168, 9454), (4727, 8336)]