1900558639

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 2407586976

約数和(自身を除く): 507028337

約数列:

[1, 7, 17, 49, 61, 113, 119, 331, 427, 791, 833, 1037, 1921, 2317, 2989, 5537, 5627, 6893, 7259, 13447, 16219, 20191, 37403, 39389, 48251, 50813, 94129, 117181, 141337, 261821, 275723, 337757, 343247, 635851, 820267, 989359, 1832747, 2281583, 2402729, 4450957, 5741869, 15971081, 16819103, 31156699, 38786911, 111797567, 271508377, 1900558639]

約数ペア:

[(1, 1900558639), (7, 271508377), (17, 111797567), (49, 38786911), (61, 31156699), (113, 16819103), (119, 15971081), (331, 5741869), (427, 4450957), (791, 2402729), (833, 2281583), (1037, 1832747), (1921, 989359), (2317, 820267), (2989, 635851), (5537, 343247), (5627, 337757), (6893, 275723), (7259, 261821), (13447, 141337), (16219, 117181), (20191, 94129), (37403, 50813), (39389, 48251)]