858558896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:670

約数の個数: 80

約数和(自身を含む): 1836632448

約数和(自身を除く): 978073552

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 157, 208, 244, 314, 431, 488, 628, 793, 862, 976, 1256, 1586, 1724, 2041, 2512, 3172, 3448, 4082, 5603, 6344, 6896, 8164, 9577, 11206, 12688, 16328, 19154, 22412, 26291, 32656, 38308, 44824, 52582, 67667, 76616, 89648, 105164, 124501, 135334, 153232, 210328, 249002, 270668, 341783, 420656, 498004, 541336, 683566, 879671, 996008, 1082672, 1367132, 1759342, 1992016, 2734264, 3518684, 4127687, 5468528, 7037368, 8255374, 14074736, 16510748, 33021496, 53659931, 66042992, 107319862, 214639724, 429279448, 858558896]

約数ペア:

[(1, 858558896), (2, 429279448), (4, 214639724), (8, 107319862), (13, 66042992), (16, 53659931), (26, 33021496), (52, 16510748), (61, 14074736), (104, 8255374), (122, 7037368), (157, 5468528), (208, 4127687), (244, 3518684), (314, 2734264), (431, 1992016), (488, 1759342), (628, 1367132), (793, 1082672), (862, 996008), (976, 879671), (1256, 683566), (1586, 541336), (1724, 498004), (2041, 420656), (2512, 341783), (3172, 270668), (3448, 249002), (4082, 210328), (5603, 153232), (6344, 135334), (6896, 124501), (8164, 105164), (9577, 89648), (11206, 76616), (12688, 67667), (16328, 52582), (19154, 44824), (22412, 38308), (26291, 32656)]