90281996

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{761}}^1$

素因数の和:1014

約数の個数: 48

約数和(自身を含む): 191170560

約数和(自身を除く): 100888564

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 223, 266, 446, 532, 761, 892, 1522, 1561, 3044, 3122, 4237, 5327, 6244, 8474, 10654, 14459, 16948, 21308, 28918, 29659, 57836, 59318, 101213, 118636, 169703, 202426, 339406, 404852, 678812, 1187921, 2375842, 3224357, 4751684, 6448714, 12897428, 22570499, 45140998, 90281996]

約数ペア:

[(1, 90281996), (2, 45140998), (4, 22570499), (7, 12897428), (14, 6448714), (19, 4751684), (28, 3224357), (38, 2375842), (76, 1187921), (133, 678812), (223, 404852), (266, 339406), (446, 202426), (532, 169703), (761, 118636), (892, 101213), (1522, 59318), (1561, 57836), (3044, 29659), (3122, 28918), (4237, 21308), (5327, 16948), (6244, 14459), (8474, 10654)]