287288716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{1193}}^1$

素因数の和:1642

約数の個数: 48

約数和(自身を含む): 592548768

約数和(自身を除く): 305260052

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 421, 572, 842, 1193, 1684, 2386, 4631, 4772, 5473, 9262, 10946, 13123, 15509, 18524, 21892, 26246, 31018, 52492, 60203, 62036, 120406, 170599, 240812, 341198, 502253, 682396, 1004506, 2009012, 5524783, 6529289, 11049566, 13058578, 22099132, 26117156, 71822179, 143644358, 287288716]

約数ペア:

[(1, 287288716), (2, 143644358), (4, 71822179), (11, 26117156), (13, 22099132), (22, 13058578), (26, 11049566), (44, 6529289), (52, 5524783), (143, 2009012), (286, 1004506), (421, 682396), (572, 502253), (842, 341198), (1193, 240812), (1684, 170599), (2386, 120406), (4631, 62036), (4772, 60203), (5473, 52492), (9262, 31018), (10946, 26246), (13123, 21892), (15509, 18524)]