25181715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 46247040

約数和(自身を除く): 21065325

約数列:

[1, 3, 5, 13, 15, 29, 39, 61, 65, 73, 87, 145, 183, 195, 219, 305, 365, 377, 435, 793, 915, 949, 1095, 1131, 1769, 1885, 2117, 2379, 2847, 3965, 4453, 4745, 5307, 5655, 6351, 8845, 10585, 11895, 13359, 14235, 22265, 22997, 26535, 27521, 31755, 57889, 66795, 68991, 82563, 114985, 129137, 137605, 173667, 289445, 344955, 387411, 412815, 645685, 868335, 1678781, 1937055, 5036343, 8393905, 25181715]

約数ペア:

[(1, 25181715), (3, 8393905), (5, 5036343), (13, 1937055), (15, 1678781), (29, 868335), (39, 645685), (61, 412815), (65, 387411), (73, 344955), (87, 289445), (145, 173667), (183, 137605), (195, 129137), (219, 114985), (305, 82563), (365, 68991), (377, 66795), (435, 57889), (793, 31755), (915, 27521), (949, 26535), (1095, 22997), (1131, 22265), (1769, 14235), (1885, 13359), (2117, 11895), (2379, 10585), (2847, 8845), (3965, 6351), (4453, 5655), (4745, 5307)]