344920225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{383}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 491968512

約数和(自身を除く): 147048287

約数列:

[1, 5, 13, 17, 25, 65, 85, 163, 221, 325, 383, 425, 815, 1105, 1915, 2119, 2771, 4075, 4979, 5525, 6511, 9575, 10595, 13855, 24895, 32555, 36023, 52975, 62429, 69275, 84643, 124475, 162775, 180115, 312145, 423215, 811577, 900575, 1061293, 1560725, 2116075, 4057885, 5306465, 13796809, 20289425, 26532325, 68984045, 344920225]

約数ペア:

[(1, 344920225), (5, 68984045), (13, 26532325), (17, 20289425), (25, 13796809), (65, 5306465), (85, 4057885), (163, 2116075), (221, 1560725), (325, 1061293), (383, 900575), (425, 811577), (815, 423215), (1105, 312145), (1915, 180115), (2119, 162775), (2771, 124475), (4075, 84643), (4979, 69275), (5525, 62429), (6511, 52975), (9575, 36023), (10595, 32555), (13855, 24895)]