84821456

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:220

約数の個数: 80

約数和(自身を含む): 179655168

約数和(自身を除く): 94833712

約数列:

[1, 2, 4, 8, 16, 31, 41, 43, 62, 82, 86, 97, 124, 164, 172, 194, 248, 328, 344, 388, 496, 656, 688, 776, 1271, 1333, 1552, 1763, 2542, 2666, 3007, 3526, 3977, 4171, 5084, 5332, 6014, 7052, 7954, 8342, 10168, 10664, 12028, 14104, 15908, 16684, 20336, 21328, 24056, 28208, 31816, 33368, 48112, 54653, 63632, 66736, 109306, 123287, 129301, 171011, 218612, 246574, 258602, 342022, 437224, 493148, 517204, 684044, 874448, 986296, 1034408, 1368088, 1972592, 2068816, 2736176, 5301341, 10602682, 21205364, 42410728, 84821456]

約数ペア:

[(1, 84821456), (2, 42410728), (4, 21205364), (8, 10602682), (16, 5301341), (31, 2736176), (41, 2068816), (43, 1972592), (62, 1368088), (82, 1034408), (86, 986296), (97, 874448), (124, 684044), (164, 517204), (172, 493148), (194, 437224), (248, 342022), (328, 258602), (344, 246574), (388, 218612), (496, 171011), (656, 129301), (688, 123287), (776, 109306), (1271, 66736), (1333, 63632), (1552, 54653), (1763, 48112), (2542, 33368), (2666, 31816), (3007, 28208), (3526, 24056), (3977, 21328), (4171, 20336), (5084, 16684), (5332, 15908), (6014, 14104), (7052, 12028), (7954, 10664), (8342, 10168)]