219321788

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{2383}}^1$

素因数の和:2586

約数の個数: 48

約数和(自身を含む): 464593920

約数和(自身を除く): 245272132

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 173, 266, 346, 532, 692, 1211, 2383, 2422, 3287, 4766, 4844, 6574, 9532, 13148, 16681, 23009, 33362, 45277, 46018, 66724, 90554, 92036, 181108, 316939, 412259, 633878, 824518, 1267756, 1649036, 2885813, 5771626, 7832921, 11543252, 15665842, 31331684, 54830447, 109660894, 219321788]

約数ペア:

[(1, 219321788), (2, 109660894), (4, 54830447), (7, 31331684), (14, 15665842), (19, 11543252), (28, 7832921), (38, 5771626), (76, 2885813), (133, 1649036), (173, 1267756), (266, 824518), (346, 633878), (532, 412259), (692, 316939), (1211, 181108), (2383, 92036), (2422, 90554), (3287, 66724), (4766, 46018), (4844, 45277), (6574, 33362), (9532, 23009), (13148, 16681)]