247213968

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{84431}}^1$

素因数の和:84503

約数の個数: 40

約数和(自身を含む): 649113216

約数和(自身を除く): 401899248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 122, 183, 244, 366, 488, 732, 976, 1464, 2928, 84431, 168862, 253293, 337724, 506586, 675448, 1013172, 1350896, 2026344, 4052688, 5150291, 10300582, 15450873, 20601164, 30901746, 41202328, 61803492, 82404656, 123606984, 247213968]

約数ペア:

[(1, 247213968), (2, 123606984), (3, 82404656), (4, 61803492), (6, 41202328), (8, 30901746), (12, 20601164), (16, 15450873), (24, 10300582), (48, 5150291), (61, 4052688), (122, 2026344), (183, 1350896), (244, 1013172), (366, 675448), (488, 506586), (732, 337724), (976, 253293), (1464, 168862), (2928, 84431)]