1640956884

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{64901}}^1$

素因数の和:64965

約数の個数: 72

約数和(自身を含む): 4557678048

約数和(自身を除く): 2916721164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 49, 84, 86, 98, 129, 147, 172, 196, 258, 294, 301, 516, 588, 602, 903, 1204, 1806, 2107, 3612, 4214, 6321, 8428, 12642, 25284, 64901, 129802, 194703, 259604, 389406, 454307, 778812, 908614, 1362921, 1817228, 2725842, 2790743, 3180149, 5451684, 5581486, 6360298, 8372229, 9540447, 11162972, 12720596, 16744458, 19080894, 19535201, 33488916, 38161788, 39070402, 58605603, 78140804, 117211206, 136746407, 234422412, 273492814, 410239221, 546985628, 820478442, 1640956884]

約数ペア:

[(1, 1640956884), (2, 820478442), (3, 546985628), (4, 410239221), (6, 273492814), (7, 234422412), (12, 136746407), (14, 117211206), (21, 78140804), (28, 58605603), (42, 39070402), (43, 38161788), (49, 33488916), (84, 19535201), (86, 19080894), (98, 16744458), (129, 12720596), (147, 11162972), (172, 9540447), (196, 8372229), (258, 6360298), (294, 5581486), (301, 5451684), (516, 3180149), (588, 2790743), (602, 2725842), (903, 1817228), (1204, 1362921), (1806, 908614), (2107, 778812), (3612, 454307), (4214, 389406), (6321, 259604), (8428, 194703), (12642, 129802), (25284, 64901)]