217909168

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{461}}^1\times {\mathrm{953}}^1$

素因数の和:1453

約数の個数: 40

約数和(自身を含む): 437222016

約数和(自身を除く): 219312848

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 461, 496, 922, 953, 1844, 1906, 3688, 3812, 7376, 7624, 14291, 15248, 28582, 29543, 57164, 59086, 114328, 118172, 228656, 236344, 439333, 472688, 878666, 1757332, 3514664, 7029328, 13619323, 27238646, 54477292, 108954584, 217909168]

約数ペア:

[(1, 217909168), (2, 108954584), (4, 54477292), (8, 27238646), (16, 13619323), (31, 7029328), (62, 3514664), (124, 1757332), (248, 878666), (461, 472688), (496, 439333), (922, 236344), (953, 228656), (1844, 118172), (1906, 114328), (3688, 59086), (3812, 57164), (7376, 29543), (7624, 28582), (14291, 15248)]