256511892

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{467}}^1\times {\mathrm{503}}^1$

素因数の和:997

約数の個数: 96

約数和(自身を含む): 739694592

約数和(自身を除く): 483182700

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 467, 503, 546, 934, 1006, 1092, 1401, 1509, 1868, 2012, 2802, 3018, 3269, 3521, 5604, 6036, 6071, 6538, 6539, 7042, 9807, 10563, 12142, 13076, 13078, 14084, 18213, 19614, 19617, 21126, 24284, 26156, 36426, 39228, 39234, 42252, 42497, 45773, 72852, 78468, 84994, 91546, 127491, 137319, 169988, 183092, 234901, 254982, 274638, 469802, 509964, 549276, 704703, 939604, 1409406, 1644307, 2818812, 3053713, 3288614, 4932921, 6107426, 6577228, 9161139, 9865842, 12214852, 18322278, 19731684, 21375991, 36644556, 42751982, 64127973, 85503964, 128255946, 256511892]

約数ペア:

[(1, 256511892), (2, 128255946), (3, 85503964), (4, 64127973), (6, 42751982), (7, 36644556), (12, 21375991), (13, 19731684), (14, 18322278), (21, 12214852), (26, 9865842), (28, 9161139), (39, 6577228), (42, 6107426), (52, 4932921), (78, 3288614), (84, 3053713), (91, 2818812), (156, 1644307), (182, 1409406), (273, 939604), (364, 704703), (467, 549276), (503, 509964), (546, 469802), (934, 274638), (1006, 254982), (1092, 234901), (1401, 183092), (1509, 169988), (1868, 137319), (2012, 127491), (2802, 91546), (3018, 84994), (3269, 78468), (3521, 72852), (5604, 45773), (6036, 42497), (6071, 42252), (6538, 39234), (6539, 39228), (7042, 36426), (9807, 26156), (10563, 24284), (12142, 21126), (13076, 19617), (13078, 19614), (14084, 18213)]