28706912

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:631

約数の個数: 48

約数和(自身を含む): 61401312

約数和(自身を除く): 32694400

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 151, 208, 302, 416, 457, 604, 914, 1208, 1828, 1963, 2416, 3656, 3926, 4832, 5941, 7312, 7852, 11882, 14624, 15704, 23764, 31408, 47528, 62816, 69007, 95056, 138014, 190112, 276028, 552056, 897091, 1104112, 1794182, 2208224, 3588364, 7176728, 14353456, 28706912]

約数ペア:

[(1, 28706912), (2, 14353456), (4, 7176728), (8, 3588364), (13, 2208224), (16, 1794182), (26, 1104112), (32, 897091), (52, 552056), (104, 276028), (151, 190112), (208, 138014), (302, 95056), (416, 69007), (457, 62816), (604, 47528), (914, 31408), (1208, 23764), (1828, 15704), (1963, 14624), (2416, 11882), (3656, 7852), (3926, 7312), (4832, 5941)]