28671786

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 77414400

約数和(自身を除く): 48742614

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 27, 33, 39, 47, 54, 66, 78, 79, 94, 99, 117, 141, 143, 158, 198, 234, 237, 282, 286, 297, 351, 423, 429, 474, 517, 594, 611, 702, 711, 846, 858, 869, 1027, 1034, 1222, 1269, 1287, 1422, 1551, 1738, 1833, 2054, 2133, 2538, 2574, 2607, 3081, 3102, 3666, 3713, 3861, 4266, 4653, 5214, 5499, 6162, 6721, 7426, 7722, 7821, 9243, 9306, 10998, 11139, 11297, 13442, 13959, 15642, 16497, 18486, 20163, 22278, 22594, 23463, 27729, 27918, 32994, 33417, 33891, 40326, 40843, 46926, 48269, 55458, 60489, 66834, 67782, 81686, 96538, 100251, 101673, 120978, 122529, 144807, 181467, 200502, 203346, 245058, 289614, 305019, 362934, 367587, 434421, 530959, 610038, 735174, 868842, 1061918, 1102761, 1303263, 1592877, 2205522, 2606526, 3185754, 4778631, 9557262, 14335893, 28671786]

約数ペア:

[(1, 28671786), (2, 14335893), (3, 9557262), (6, 4778631), (9, 3185754), (11, 2606526), (13, 2205522), (18, 1592877), (22, 1303263), (26, 1102761), (27, 1061918), (33, 868842), (39, 735174), (47, 610038), (54, 530959), (66, 434421), (78, 367587), (79, 362934), (94, 305019), (99, 289614), (117, 245058), (141, 203346), (143, 200502), (158, 181467), (198, 144807), (234, 122529), (237, 120978), (282, 101673), (286, 100251), (297, 96538), (351, 81686), (423, 67782), (429, 66834), (474, 60489), (517, 55458), (594, 48269), (611, 46926), (702, 40843), (711, 40326), (846, 33891), (858, 33417), (869, 32994), (1027, 27918), (1034, 27729), (1222, 23463), (1269, 22594), (1287, 22278), (1422, 20163), (1551, 18486), (1738, 16497), (1833, 15642), (2054, 13959), (2133, 13442), (2538, 11297), (2574, 11139), (2607, 10998), (3081, 9306), (3102, 9243), (3666, 7821), (3713, 7722), (3861, 7426), (4266, 6721), (4653, 6162), (5214, 5499)]