258356728

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3461}}^1$

素因数の和:3548

約数の個数: 64

約数和(自身を含む): 584939520

約数和(自身を除く): 326582792

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 43, 56, 62, 86, 124, 172, 217, 248, 301, 344, 434, 602, 868, 1204, 1333, 1736, 2408, 2666, 3461, 5332, 6922, 9331, 10664, 13844, 18662, 24227, 27688, 37324, 48454, 74648, 96908, 107291, 148823, 193816, 214582, 297646, 429164, 595292, 751037, 858328, 1041761, 1190584, 1502074, 2083522, 3004148, 4167044, 4613513, 6008296, 8334088, 9227026, 18454052, 32294591, 36908104, 64589182, 129178364, 258356728]

約数ペア:

[(1, 258356728), (2, 129178364), (4, 64589182), (7, 36908104), (8, 32294591), (14, 18454052), (28, 9227026), (31, 8334088), (43, 6008296), (56, 4613513), (62, 4167044), (86, 3004148), (124, 2083522), (172, 1502074), (217, 1190584), (248, 1041761), (301, 858328), (344, 751037), (434, 595292), (602, 429164), (868, 297646), (1204, 214582), (1333, 193816), (1736, 148823), (2408, 107291), (2666, 96908), (3461, 74648), (5332, 48454), (6922, 37324), (9331, 27688), (10664, 24227), (13844, 18662)]