213174728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{15647}}^1$

素因数の和:15797

約数の個数: 32

約数和(自身を含む): 433762560

約数和(自身を除く): 220587832

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 131, 262, 524, 1048, 1703, 3406, 6812, 13624, 15647, 31294, 62588, 125176, 203411, 406822, 813644, 1627288, 2049757, 4099514, 8199028, 16398056, 26646841, 53293682, 106587364, 213174728]

約数ペア:

[(1, 213174728), (2, 106587364), (4, 53293682), (8, 26646841), (13, 16398056), (26, 8199028), (52, 4099514), (104, 2049757), (131, 1627288), (262, 813644), (524, 406822), (1048, 203411), (1703, 125176), (3406, 62588), (6812, 31294), (13624, 15647)]