28397208

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 87851520

約数和(自身を除く): 59454312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 61, 68, 84, 102, 119, 122, 136, 163, 168, 183, 204, 238, 244, 326, 357, 366, 408, 427, 476, 488, 489, 652, 714, 732, 854, 952, 978, 1037, 1141, 1281, 1304, 1428, 1464, 1708, 1956, 2074, 2282, 2562, 2771, 2856, 3111, 3416, 3423, 3912, 4148, 4564, 5124, 5542, 6222, 6846, 7259, 8296, 8313, 9128, 9943, 10248, 11084, 12444, 13692, 14518, 16626, 19397, 19886, 21777, 22168, 24888, 27384, 29036, 29829, 33252, 38794, 39772, 43554, 58072, 58191, 59658, 66504, 69601, 77588, 79544, 87108, 116382, 119316, 139202, 155176, 169031, 174216, 208803, 232764, 238632, 278404, 338062, 417606, 465528, 507093, 556808, 676124, 835212, 1014186, 1183217, 1352248, 1670424, 2028372, 2366434, 3549651, 4056744, 4732868, 7099302, 9465736, 14198604, 28397208]

約数ペア:

[(1, 28397208), (2, 14198604), (3, 9465736), (4, 7099302), (6, 4732868), (7, 4056744), (8, 3549651), (12, 2366434), (14, 2028372), (17, 1670424), (21, 1352248), (24, 1183217), (28, 1014186), (34, 835212), (42, 676124), (51, 556808), (56, 507093), (61, 465528), (68, 417606), (84, 338062), (102, 278404), (119, 238632), (122, 232764), (136, 208803), (163, 174216), (168, 169031), (183, 155176), (204, 139202), (238, 119316), (244, 116382), (326, 87108), (357, 79544), (366, 77588), (408, 69601), (427, 66504), (476, 59658), (488, 58191), (489, 58072), (652, 43554), (714, 39772), (732, 38794), (854, 33252), (952, 29829), (978, 29036), (1037, 27384), (1141, 24888), (1281, 22168), (1304, 21777), (1428, 19886), (1464, 19397), (1708, 16626), (1956, 14518), (2074, 13692), (2282, 12444), (2562, 11084), (2771, 10248), (2856, 9943), (3111, 9128), (3416, 8313), (3423, 8296), (3912, 7259), (4148, 6846), (4564, 6222), (5124, 5542)]