28669836

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 73867584

約数和(自身を除く): 45197748

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 67, 78, 134, 156, 169, 201, 211, 268, 338, 402, 422, 507, 633, 676, 804, 844, 871, 1014, 1266, 1742, 2028, 2532, 2613, 2743, 3484, 5226, 5486, 8229, 10452, 10972, 11323, 14137, 16458, 22646, 28274, 32916, 33969, 35659, 42411, 45292, 56548, 67938, 71318, 84822, 106977, 135876, 142636, 169644, 183781, 213954, 367562, 427908, 551343, 735124, 1102686, 2205372, 2389153, 4778306, 7167459, 9556612, 14334918, 28669836]

約数ペア:

[(1, 28669836), (2, 14334918), (3, 9556612), (4, 7167459), (6, 4778306), (12, 2389153), (13, 2205372), (26, 1102686), (39, 735124), (52, 551343), (67, 427908), (78, 367562), (134, 213954), (156, 183781), (169, 169644), (201, 142636), (211, 135876), (268, 106977), (338, 84822), (402, 71318), (422, 67938), (507, 56548), (633, 45292), (676, 42411), (804, 35659), (844, 33969), (871, 32916), (1014, 28274), (1266, 22646), (1742, 16458), (2028, 14137), (2532, 11323), (2613, 10972), (2743, 10452), (3484, 8229), (5226, 5486)]