25438569

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 38513664

約数和(自身を除く): 13075095

約数列:

[1, 3, 13, 31, 39, 53, 93, 159, 397, 403, 689, 1191, 1209, 1643, 2067, 4929, 5161, 12307, 15483, 21041, 21359, 36921, 63123, 64077, 159991, 273533, 479973, 652271, 820599, 1956813, 8479523, 25438569]

約数ペア:

[(1, 25438569), (3, 8479523), (13, 1956813), (31, 820599), (39, 652271), (53, 479973), (93, 273533), (159, 159991), (397, 64077), (403, 63123), (689, 36921), (1191, 21359), (1209, 21041), (1643, 15483), (2067, 12307), (4929, 5161)]