71416808

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 146065920

約数和(自身を除く): 74649112

約数列:

[1, 2, 4, 8, 31, 37, 43, 62, 74, 86, 124, 148, 172, 181, 248, 296, 344, 362, 724, 1147, 1333, 1448, 1591, 2294, 2666, 3182, 4588, 5332, 5611, 6364, 6697, 7783, 9176, 10664, 11222, 12728, 13394, 15566, 22444, 26788, 31132, 44888, 49321, 53576, 62264, 98642, 197284, 207607, 241273, 287971, 394568, 415214, 482546, 575942, 830428, 965092, 1151884, 1660856, 1930184, 2303768, 8927101, 17854202, 35708404, 71416808]

約数ペア:

[(1, 71416808), (2, 35708404), (4, 17854202), (8, 8927101), (31, 2303768), (37, 1930184), (43, 1660856), (62, 1151884), (74, 965092), (86, 830428), (124, 575942), (148, 482546), (172, 415214), (181, 394568), (248, 287971), (296, 241273), (344, 207607), (362, 197284), (724, 98642), (1147, 62264), (1333, 53576), (1448, 49321), (1591, 44888), (2294, 31132), (2666, 26788), (3182, 22444), (4588, 15566), (5332, 13394), (5611, 12728), (6364, 11222), (6697, 10664), (7783, 9176)]