390537008

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{18311}}^1$

素因数の和:18393

約数の個数: 40

約数和(自身を含む): 799282176

約数和(自身を除く): 408745168

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 172, 248, 344, 496, 688, 1333, 2666, 5332, 10664, 18311, 21328, 36622, 73244, 146488, 292976, 567641, 787373, 1135282, 1574746, 2270564, 3149492, 4541128, 6298984, 9082256, 12597968, 24408563, 48817126, 97634252, 195268504, 390537008]

約数ペア:

[(1, 390537008), (2, 195268504), (4, 97634252), (8, 48817126), (16, 24408563), (31, 12597968), (43, 9082256), (62, 6298984), (86, 4541128), (124, 3149492), (172, 2270564), (248, 1574746), (344, 1135282), (496, 787373), (688, 567641), (1333, 292976), (2666, 146488), (5332, 73244), (10664, 36622), (18311, 21328)]