87256816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 188559360

約数和(自身を除く): 101302544

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 47, 62, 76, 94, 124, 152, 188, 197, 248, 304, 376, 394, 496, 589, 752, 788, 893, 1178, 1457, 1576, 1786, 2356, 2914, 3152, 3572, 3743, 4712, 5828, 6107, 7144, 7486, 9259, 9424, 11656, 12214, 14288, 14972, 18518, 23312, 24428, 27683, 29944, 37036, 48856, 55366, 59888, 74072, 97712, 110732, 116033, 148144, 175921, 221464, 232066, 287029, 351842, 442928, 464132, 574058, 703684, 928264, 1148116, 1407368, 1856528, 2296232, 2814736, 4592464, 5453551, 10907102, 21814204, 43628408, 87256816]

約数ペア:

[(1, 87256816), (2, 43628408), (4, 21814204), (8, 10907102), (16, 5453551), (19, 4592464), (31, 2814736), (38, 2296232), (47, 1856528), (62, 1407368), (76, 1148116), (94, 928264), (124, 703684), (152, 574058), (188, 464132), (197, 442928), (248, 351842), (304, 287029), (376, 232066), (394, 221464), (496, 175921), (589, 148144), (752, 116033), (788, 110732), (893, 97712), (1178, 74072), (1457, 59888), (1576, 55366), (1786, 48856), (2356, 37036), (2914, 29944), (3152, 27683), (3572, 24428), (3743, 23312), (4712, 18518), (5828, 14972), (6107, 14288), (7144, 12214), (7486, 11656), (9259, 9424)]