641328

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:473

約数の個数: 40

約数和(自身を含む): 1714176

約数和(自身を除く): 1072848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 431, 496, 744, 862, 1293, 1488, 1724, 2586, 3448, 5172, 6896, 10344, 13361, 20688, 26722, 40083, 53444, 80166, 106888, 160332, 213776, 320664, 641328]

約数ペア:

[(1, 641328), (2, 320664), (3, 213776), (4, 160332), (6, 106888), (8, 80166), (12, 53444), (16, 40083), (24, 26722), (31, 20688), (48, 13361), (62, 10344), (93, 6896), (124, 5172), (186, 3448), (248, 2586), (372, 1724), (431, 1488), (496, 1293), (744, 862)]