390795951

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{757}}^1$

素因数の和:872

約数の個数: 64

約数和(自身を含む): 673734656

約数和(自身を除く): 282938705

約数列:

[1, 3, 7, 13, 21, 31, 39, 61, 91, 93, 183, 217, 273, 403, 427, 651, 757, 793, 1209, 1281, 1891, 2271, 2379, 2821, 5299, 5551, 5673, 8463, 9841, 13237, 15897, 16653, 23467, 24583, 29523, 39711, 46177, 68887, 70401, 73749, 138531, 164269, 172081, 206661, 305071, 323239, 492807, 516243, 600301, 915213, 969717, 1431487, 1800903, 2135497, 4202107, 4294461, 6406491, 10020409, 12606321, 18609331, 30061227, 55827993, 130265317, 390795951]

約数ペア:

[(1, 390795951), (3, 130265317), (7, 55827993), (13, 30061227), (21, 18609331), (31, 12606321), (39, 10020409), (61, 6406491), (91, 4294461), (93, 4202107), (183, 2135497), (217, 1800903), (273, 1431487), (403, 969717), (427, 915213), (651, 600301), (757, 516243), (793, 492807), (1209, 323239), (1281, 305071), (1891, 206661), (2271, 172081), (2379, 164269), (2821, 138531), (5299, 73749), (5551, 70401), (5673, 68887), (8463, 46177), (9841, 39711), (13237, 29523), (15897, 24583), (16653, 23467)]