313810688

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1$

素因数の和:617

約数の個数: 72

約数和(自身を含む): 665322000

約数和(自身を除く): 351511312

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 149, 152, 256, 298, 304, 433, 596, 608, 866, 1192, 1216, 1732, 2384, 2432, 2831, 3464, 4768, 4864, 5662, 6928, 8227, 9536, 11324, 13856, 16454, 19072, 22648, 27712, 32908, 38144, 45296, 55424, 64517, 65816, 90592, 110848, 129034, 131632, 181184, 258068, 263264, 362368, 516136, 526528, 724736, 1032272, 1053056, 1225823, 2064544, 2106112, 2451646, 4129088, 4903292, 8258176, 9806584, 16516352, 19613168, 39226336, 78452672, 156905344, 313810688]

約数ペア:

[(1, 313810688), (2, 156905344), (4, 78452672), (8, 39226336), (16, 19613168), (19, 16516352), (32, 9806584), (38, 8258176), (64, 4903292), (76, 4129088), (128, 2451646), (149, 2106112), (152, 2064544), (256, 1225823), (298, 1053056), (304, 1032272), (433, 724736), (596, 526528), (608, 516136), (866, 362368), (1192, 263264), (1216, 258068), (1732, 181184), (2384, 131632), (2432, 129034), (2831, 110848), (3464, 90592), (4768, 65816), (4864, 64517), (5662, 55424), (6928, 45296), (8227, 38144), (9536, 32908), (11324, 27712), (13856, 22648), (16454, 19072)]