289229008

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 603389952

約数和(自身を除く): 314160944

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 71, 86, 124, 142, 172, 191, 248, 284, 344, 382, 496, 568, 688, 764, 1136, 1333, 1528, 2201, 2666, 3053, 3056, 4402, 5332, 5921, 6106, 8213, 8804, 10664, 11842, 12212, 13561, 16426, 17608, 21328, 23684, 24424, 27122, 32852, 35216, 47368, 48848, 54244, 65704, 94643, 94736, 108488, 131408, 189286, 216976, 254603, 378572, 420391, 509206, 583123, 757144, 840782, 1018412, 1166246, 1514288, 1681564, 2036824, 2332492, 3363128, 4073648, 4664984, 6726256, 9329968, 18076813, 36153626, 72307252, 144614504, 289229008]

約数ペア:

[(1, 289229008), (2, 144614504), (4, 72307252), (8, 36153626), (16, 18076813), (31, 9329968), (43, 6726256), (62, 4664984), (71, 4073648), (86, 3363128), (124, 2332492), (142, 2036824), (172, 1681564), (191, 1514288), (248, 1166246), (284, 1018412), (344, 840782), (382, 757144), (496, 583123), (568, 509206), (688, 420391), (764, 378572), (1136, 254603), (1333, 216976), (1528, 189286), (2201, 131408), (2666, 108488), (3053, 94736), (3056, 94643), (4402, 65704), (5332, 54244), (5921, 48848), (6106, 47368), (8213, 35216), (8804, 32852), (10664, 27122), (11842, 24424), (12212, 23684), (13561, 21328), (16426, 17608)]