257712588

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1399}}^1$

素因数の和:1476

約数の個数: 144

約数和(自身を含む): 807206400

約数和(自身を除く): 549493812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 43, 51, 63, 68, 84, 86, 102, 119, 126, 129, 153, 172, 204, 238, 252, 258, 301, 306, 357, 387, 476, 516, 602, 612, 714, 731, 774, 903, 1071, 1204, 1399, 1428, 1462, 1548, 1806, 2142, 2193, 2709, 2798, 2924, 3612, 4197, 4284, 4386, 5117, 5418, 5596, 6579, 8394, 8772, 9793, 10234, 10836, 12591, 13158, 15351, 16788, 19586, 20468, 23783, 25182, 26316, 29379, 30702, 39172, 46053, 47566, 50364, 58758, 60157, 61404, 71349, 88137, 92106, 95132, 117516, 120314, 142698, 166481, 176274, 180471, 184212, 214047, 240628, 285396, 332962, 352548, 360942, 421099, 428094, 499443, 541413, 665924, 721884, 842198, 856188, 998886, 1022669, 1082826, 1263297, 1498329, 1684396, 1997772, 2045338, 2165652, 2526594, 2996658, 3068007, 3789891, 4090676, 5053188, 5993316, 6136014, 7158683, 7579782, 9204021, 12272028, 14317366, 15159564, 18408042, 21476049, 28634732, 36816084, 42952098, 64428147, 85904196, 128856294, 257712588]

約数ペア:

[(1, 257712588), (2, 128856294), (3, 85904196), (4, 64428147), (6, 42952098), (7, 36816084), (9, 28634732), (12, 21476049), (14, 18408042), (17, 15159564), (18, 14317366), (21, 12272028), (28, 9204021), (34, 7579782), (36, 7158683), (42, 6136014), (43, 5993316), (51, 5053188), (63, 4090676), (68, 3789891), (84, 3068007), (86, 2996658), (102, 2526594), (119, 2165652), (126, 2045338), (129, 1997772), (153, 1684396), (172, 1498329), (204, 1263297), (238, 1082826), (252, 1022669), (258, 998886), (301, 856188), (306, 842198), (357, 721884), (387, 665924), (476, 541413), (516, 499443), (602, 428094), (612, 421099), (714, 360942), (731, 352548), (774, 332962), (903, 285396), (1071, 240628), (1204, 214047), (1399, 184212), (1428, 180471), (1462, 176274), (1548, 166481), (1806, 142698), (2142, 120314), (2193, 117516), (2709, 95132), (2798, 92106), (2924, 88137), (3612, 71349), (4197, 61404), (4284, 60157), (4386, 58758), (5117, 50364), (5418, 47566), (5596, 46053), (6579, 39172), (8394, 30702), (8772, 29379), (9793, 26316), (10234, 25182), (10836, 23783), (12591, 20468), (13158, 19586), (15351, 16788)]