261121848

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{17807}}^1$

素因数の和:17876

約数の個数: 64

約数和(自身を含む): 718018560

約数和(自身を除く): 456896712

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 47, 52, 78, 94, 104, 141, 156, 188, 282, 312, 376, 564, 611, 1128, 1222, 1833, 2444, 3666, 4888, 7332, 14664, 17807, 35614, 53421, 71228, 106842, 142456, 213684, 231491, 427368, 462982, 694473, 836929, 925964, 1388946, 1673858, 1851928, 2510787, 2777892, 3347716, 5021574, 5555784, 6695432, 10043148, 10880077, 20086296, 21760154, 32640231, 43520308, 65280462, 87040616, 130560924, 261121848]

約数ペア:

[(1, 261121848), (2, 130560924), (3, 87040616), (4, 65280462), (6, 43520308), (8, 32640231), (12, 21760154), (13, 20086296), (24, 10880077), (26, 10043148), (39, 6695432), (47, 5555784), (52, 5021574), (78, 3347716), (94, 2777892), (104, 2510787), (141, 1851928), (156, 1673858), (188, 1388946), (282, 925964), (312, 836929), (376, 694473), (564, 462982), (611, 427368), (1128, 231491), (1222, 213684), (1833, 142456), (2444, 106842), (3666, 71228), (4888, 53421), (7332, 35614), (14664, 17807)]