636668890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1033}}^1$

素因数の和:1495

約数の個数: 64

約数和(自身を含む): 1350784512

約数和(自身を除く): 714115622

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 431, 715, 862, 1033, 1430, 2066, 2155, 4310, 4741, 5165, 5603, 9482, 10330, 11206, 11363, 13429, 22726, 23705, 26858, 28015, 47410, 56030, 56815, 61633, 67145, 113630, 123266, 134290, 147719, 295438, 308165, 445223, 616330, 738595, 890446, 1477190, 2226115, 4452230, 4897453, 5787899, 9794906, 11575798, 24487265, 28939495, 48974530, 57878990, 63666889, 127333778, 318334445, 636668890]

約数ペア:

[(1, 636668890), (2, 318334445), (5, 127333778), (10, 63666889), (11, 57878990), (13, 48974530), (22, 28939495), (26, 24487265), (55, 11575798), (65, 9794906), (110, 5787899), (130, 4897453), (143, 4452230), (286, 2226115), (431, 1477190), (715, 890446), (862, 738595), (1033, 616330), (1430, 445223), (2066, 308165), (2155, 295438), (4310, 147719), (4741, 134290), (5165, 123266), (5603, 113630), (9482, 67145), (10330, 61633), (11206, 56815), (11363, 56030), (13429, 47410), (22726, 28015), (23705, 26858)]