81327448

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 171705600

約数和(自身を除く): 90378152

約数列:

[1, 2, 4, 8, 19, 23, 38, 43, 46, 76, 86, 92, 152, 172, 184, 344, 437, 541, 817, 874, 989, 1082, 1634, 1748, 1978, 2164, 3268, 3496, 3956, 4328, 6536, 7912, 10279, 12443, 18791, 20558, 23263, 24886, 37582, 41116, 46526, 49772, 75164, 82232, 93052, 99544, 150328, 186104, 236417, 441997, 472834, 535049, 883994, 945668, 1070098, 1767988, 1891336, 2140196, 3535976, 4280392, 10165931, 20331862, 40663724, 81327448]

約数ペア:

[(1, 81327448), (2, 40663724), (4, 20331862), (8, 10165931), (19, 4280392), (23, 3535976), (38, 2140196), (43, 1891336), (46, 1767988), (76, 1070098), (86, 945668), (92, 883994), (152, 535049), (172, 472834), (184, 441997), (344, 236417), (437, 186104), (541, 150328), (817, 99544), (874, 93052), (989, 82232), (1082, 75164), (1634, 49772), (1748, 46526), (1978, 41116), (2164, 37582), (3268, 24886), (3496, 23263), (3956, 20558), (4328, 18791), (6536, 12443), (7912, 10279)]