201159725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1583}}^1$

素因数の和:1646

約数の個数: 48

約数和(自身を含む): 296980992

約数和(自身を除く): 95821267

約数列:

[1, 5, 13, 17, 23, 25, 65, 85, 115, 221, 299, 325, 391, 425, 575, 1105, 1495, 1583, 1955, 5083, 5525, 7475, 7915, 9775, 20579, 25415, 26911, 36409, 39575, 102895, 127075, 134555, 182045, 349843, 473317, 514475, 618953, 672775, 910225, 1749215, 2366585, 3094765, 8046389, 8746075, 11832925, 15473825, 40231945, 201159725]

約数ペア:

[(1, 201159725), (5, 40231945), (13, 15473825), (17, 11832925), (23, 8746075), (25, 8046389), (65, 3094765), (85, 2366585), (115, 1749215), (221, 910225), (299, 672775), (325, 618953), (391, 514475), (425, 473317), (575, 349843), (1105, 182045), (1495, 134555), (1583, 127075), (1955, 102895), (5083, 39575), (5525, 36409), (7475, 26911), (7915, 25415), (9775, 20579)]