11915725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1$

素因数の和:126

約数の個数: 36

約数和(自身を含む): 16662996

約数和(自身を除く): 4747271

約数列:

[1, 5, 17, 23, 25, 53, 85, 115, 265, 391, 425, 529, 575, 901, 1219, 1325, 1955, 2645, 4505, 6095, 8993, 9775, 13225, 20723, 22525, 28037, 30475, 44965, 103615, 140185, 224825, 476629, 518075, 700925, 2383145, 11915725]

約数ペア:

[(1, 11915725), (5, 2383145), (17, 700925), (23, 518075), (25, 476629), (53, 224825), (85, 140185), (115, 103615), (265, 44965), (391, 30475), (425, 28037), (529, 22525), (575, 20723), (901, 13225), (1219, 9775), (1325, 8993), (1955, 6095), (2645, 4505)]