645642088

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:387

約数の個数: 128

約数和(自身を含む): 1548933120

約数和(自身を除く): 903291032

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 41, 52, 56, 82, 91, 97, 104, 164, 182, 194, 223, 287, 328, 364, 388, 446, 533, 574, 679, 728, 776, 892, 1066, 1148, 1261, 1358, 1561, 1784, 2132, 2296, 2522, 2716, 2899, 3122, 3731, 3977, 4264, 5044, 5432, 5798, 6244, 7462, 7954, 8827, 9143, 10088, 11596, 12488, 14924, 15908, 17654, 18286, 20293, 21631, 23192, 27839, 29848, 31816, 35308, 36572, 40586, 43262, 51701, 55678, 64001, 70616, 73144, 81172, 86524, 103402, 111356, 118859, 128002, 151417, 162344, 173048, 206804, 222712, 237718, 256004, 281203, 302834, 361907, 413608, 475436, 512008, 562406, 605668, 723814, 832013, 886871, 950872, 1124812, 1211336, 1447628, 1664026, 1773742, 1968421, 2249624, 2895256, 3328052, 3547484, 3936842, 6208097, 6656104, 7094968, 7873684, 11529323, 12416194, 15747368, 23058646, 24832388, 46117292, 49664776, 80705261, 92234584, 161410522, 322821044, 645642088]

約数ペア:

[(1, 645642088), (2, 322821044), (4, 161410522), (7, 92234584), (8, 80705261), (13, 49664776), (14, 46117292), (26, 24832388), (28, 23058646), (41, 15747368), (52, 12416194), (56, 11529323), (82, 7873684), (91, 7094968), (97, 6656104), (104, 6208097), (164, 3936842), (182, 3547484), (194, 3328052), (223, 2895256), (287, 2249624), (328, 1968421), (364, 1773742), (388, 1664026), (446, 1447628), (533, 1211336), (574, 1124812), (679, 950872), (728, 886871), (776, 832013), (892, 723814), (1066, 605668), (1148, 562406), (1261, 512008), (1358, 475436), (1561, 413608), (1784, 361907), (2132, 302834), (2296, 281203), (2522, 256004), (2716, 237718), (2899, 222712), (3122, 206804), (3731, 173048), (3977, 162344), (4264, 151417), (5044, 128002), (5432, 118859), (5798, 111356), (6244, 103402), (7462, 86524), (7954, 81172), (8827, 73144), (9143, 70616), (10088, 64001), (11596, 55678), (12488, 51701), (14924, 43262), (15908, 40586), (17654, 36572), (18286, 35308), (20293, 31816), (21631, 29848), (23192, 27839)]