215698516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{631}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 437657472

約数和(自身を除く): 221958956

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 457, 631, 748, 914, 1262, 1828, 2524, 5027, 6941, 7769, 10054, 10727, 13882, 15538, 20108, 21454, 27764, 31076, 42908, 85459, 117997, 170918, 235994, 288367, 341836, 471988, 576734, 1153468, 3172037, 4902239, 6344074, 9804478, 12688148, 19608956, 53924629, 107849258, 215698516]

約数ペア:

[(1, 215698516), (2, 107849258), (4, 53924629), (11, 19608956), (17, 12688148), (22, 9804478), (34, 6344074), (44, 4902239), (68, 3172037), (187, 1153468), (374, 576734), (457, 471988), (631, 341836), (748, 288367), (914, 235994), (1262, 170918), (1828, 117997), (2524, 85459), (5027, 42908), (6941, 31076), (7769, 27764), (10054, 21454), (10727, 20108), (13882, 15538)]