25545519

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 41267200

約数和(自身を除く): 15721681

約数列:

[1, 3, 9, 19, 31, 57, 61, 79, 93, 171, 183, 237, 279, 549, 589, 711, 1159, 1501, 1767, 1891, 2449, 3477, 4503, 4819, 5301, 5673, 7347, 10431, 13509, 14457, 17019, 22041, 35929, 43371, 46531, 91561, 107787, 139593, 149389, 274683, 323361, 418779, 448167, 824049, 1344501, 2838391, 8515173, 25545519]

約数ペア:

[(1, 25545519), (3, 8515173), (9, 2838391), (19, 1344501), (31, 824049), (57, 448167), (61, 418779), (79, 323361), (93, 274683), (171, 149389), (183, 139593), (237, 107787), (279, 91561), (549, 46531), (589, 43371), (711, 35929), (1159, 22041), (1501, 17019), (1767, 14457), (1891, 13509), (2449, 10431), (3477, 7347), (4503, 5673), (4819, 5301)]