207612890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{10979}}^1$

素因数の和:11078

約数の個数: 32

約数和(自身を含む): 392117760

約数和(自身を除く): 184504870

約数列:

[1, 2, 5, 10, 31, 61, 62, 122, 155, 305, 310, 610, 1891, 3782, 9455, 10979, 18910, 21958, 54895, 109790, 340349, 669719, 680698, 1339438, 1701745, 3348595, 3403490, 6697190, 20761289, 41522578, 103806445, 207612890]

約数ペア:

[(1, 207612890), (2, 103806445), (5, 41522578), (10, 20761289), (31, 6697190), (61, 3403490), (62, 3348595), (122, 1701745), (155, 1339438), (305, 680698), (310, 669719), (610, 340349), (1891, 109790), (3782, 54895), (9455, 21958), (10979, 18910)]