217508732

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{3121}}^1$

素因数の和:3282

約数の個数: 48

約数和(自身を含む): 461556480

約数和(自身を除く): 244047748

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 131, 133, 262, 266, 524, 532, 917, 1834, 2489, 3121, 3668, 4978, 6242, 9956, 12484, 17423, 21847, 34846, 43694, 59299, 69692, 87388, 118598, 237196, 408851, 415093, 817702, 830186, 1635404, 1660372, 2861957, 5723914, 7768169, 11447828, 15536338, 31072676, 54377183, 108754366, 217508732]

約数ペア:

[(1, 217508732), (2, 108754366), (4, 54377183), (7, 31072676), (14, 15536338), (19, 11447828), (28, 7768169), (38, 5723914), (76, 2861957), (131, 1660372), (133, 1635404), (262, 830186), (266, 817702), (524, 415093), (532, 408851), (917, 237196), (1834, 118598), (2489, 87388), (3121, 69692), (3668, 59299), (4978, 43694), (6242, 34846), (9956, 21847), (12484, 17423)]