28507810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{317}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 56976696

約数和(自身を除く): 28468886

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 317, 391, 529, 634, 782, 1058, 1585, 1955, 2645, 3170, 3910, 5290, 5389, 7291, 8993, 10778, 14582, 17986, 26945, 36455, 44965, 53890, 72910, 89930, 123947, 167693, 247894, 335386, 619735, 838465, 1239470, 1676930, 2850781, 5701562, 14253905, 28507810]

約数ペア:

[(1, 28507810), (2, 14253905), (5, 5701562), (10, 2850781), (17, 1676930), (23, 1239470), (34, 838465), (46, 619735), (85, 335386), (115, 247894), (170, 167693), (230, 123947), (317, 89930), (391, 72910), (529, 53890), (634, 44965), (782, 36455), (1058, 26945), (1585, 17986), (1955, 14582), (2645, 10778), (3170, 8993), (3910, 7291), (5290, 5389)]