31975384

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 71792640

約数和(自身を除く): 39817256

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 113, 124, 163, 217, 226, 248, 326, 434, 452, 652, 791, 868, 904, 1141, 1304, 1582, 1736, 2282, 3164, 3503, 4564, 5053, 6328, 7006, 9128, 10106, 14012, 18419, 20212, 24521, 28024, 35371, 36838, 40424, 49042, 70742, 73676, 98084, 128933, 141484, 147352, 196168, 257866, 282968, 515732, 570989, 1031464, 1141978, 2283956, 3996923, 4567912, 7993846, 15987692, 31975384]

約数ペア:

[(1, 31975384), (2, 15987692), (4, 7993846), (7, 4567912), (8, 3996923), (14, 2283956), (28, 1141978), (31, 1031464), (56, 570989), (62, 515732), (113, 282968), (124, 257866), (163, 196168), (217, 147352), (226, 141484), (248, 128933), (326, 98084), (434, 73676), (452, 70742), (652, 49042), (791, 40424), (868, 36838), (904, 35371), (1141, 28024), (1304, 24521), (1582, 20212), (1736, 18419), (2282, 14012), (3164, 10106), (3503, 9128), (4564, 7006), (5053, 6328)]