189901012

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1993}}^1$

素因数の和:2128

約数の個数: 48

約数和(自身を含む): 393950592

約数和(自身を除く): 204049580

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 83, 164, 166, 287, 332, 574, 581, 1148, 1162, 1993, 2324, 3403, 3986, 6806, 7972, 13612, 13951, 23821, 27902, 47642, 55804, 81713, 95284, 163426, 165419, 326852, 330838, 571991, 661676, 1143982, 1157933, 2287964, 2315866, 4631732, 6782179, 13564358, 27128716, 47475253, 94950506, 189901012]

約数ペア:

[(1, 189901012), (2, 94950506), (4, 47475253), (7, 27128716), (14, 13564358), (28, 6782179), (41, 4631732), (82, 2315866), (83, 2287964), (164, 1157933), (166, 1143982), (287, 661676), (332, 571991), (574, 330838), (581, 326852), (1148, 165419), (1162, 163426), (1993, 95284), (2324, 81713), (3403, 55804), (3986, 47642), (6806, 27902), (7972, 23821), (13612, 13951)]