1991380848

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{48751}}^1$

素因数の和:48822

約数の個数: 80

約数和(自身を含む): 5513266176

約数和(自身を除く): 3521885328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 37, 46, 48, 69, 74, 92, 111, 138, 148, 184, 222, 276, 296, 368, 444, 552, 592, 851, 888, 1104, 1702, 1776, 2553, 3404, 5106, 6808, 10212, 13616, 20424, 40848, 48751, 97502, 146253, 195004, 292506, 390008, 585012, 780016, 1121273, 1170024, 1803787, 2242546, 2340048, 3363819, 3607574, 4485092, 5411361, 6727638, 7215148, 8970184, 10822722, 13455276, 14430296, 17940368, 21645444, 26910552, 28860592, 41487101, 43290888, 53821104, 82974202, 86581776, 124461303, 165948404, 248922606, 331896808, 497845212, 663793616, 995690424, 1991380848]

約数ペア:

[(1, 1991380848), (2, 995690424), (3, 663793616), (4, 497845212), (6, 331896808), (8, 248922606), (12, 165948404), (16, 124461303), (23, 86581776), (24, 82974202), (37, 53821104), (46, 43290888), (48, 41487101), (69, 28860592), (74, 26910552), (92, 21645444), (111, 17940368), (138, 14430296), (148, 13455276), (184, 10822722), (222, 8970184), (276, 7215148), (296, 6727638), (368, 5411361), (444, 4485092), (552, 3607574), (592, 3363819), (851, 2340048), (888, 2242546), (1104, 1803787), (1702, 1170024), (1776, 1121273), (2553, 780016), (3404, 585012), (5106, 390008), (6808, 292506), (10212, 195004), (13616, 146253), (20424, 97502), (40848, 48751)]