905639428

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{503}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 1658893824

約数和(自身を除く): 753254396

約数列:

[1, 2, 4, 47, 61, 94, 122, 157, 188, 244, 314, 503, 628, 1006, 2012, 2867, 5734, 7379, 9577, 11468, 14758, 19154, 23641, 29516, 30683, 38308, 47282, 61366, 78971, 94564, 122732, 157942, 315884, 450119, 900238, 1442101, 1800476, 2884202, 3711637, 4817231, 5768404, 7423274, 9634462, 14846548, 19268924, 226409857, 452819714, 905639428]

約数ペア:

[(1, 905639428), (2, 452819714), (4, 226409857), (47, 19268924), (61, 14846548), (94, 9634462), (122, 7423274), (157, 5768404), (188, 4817231), (244, 3711637), (314, 2884202), (503, 1800476), (628, 1442101), (1006, 900238), (2012, 450119), (2867, 315884), (5734, 157942), (7379, 122732), (9577, 94564), (11468, 78971), (14758, 61366), (19154, 47282), (23641, 38308), (29516, 30683)]