201318721876

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{611621}}^1$

素因数の和:611776

約数の個数: 48

約数和(自身を含む): 382239285120

約数和(自身を除く): 180920563244

約数列:

[1, 2, 4, 19, 38, 61, 71, 76, 122, 142, 244, 284, 1159, 1349, 2318, 2698, 4331, 4636, 5396, 8662, 17324, 82289, 164578, 329156, 611621, 1223242, 2446484, 11620799, 23241598, 37308881, 43425091, 46483196, 74617762, 86850182, 149235524, 173700364, 708868739, 825076729, 1417737478, 1650153458, 2648930551, 2835474956, 3300306916, 5297861102, 10595722204, 50329680469, 100659360938, 201318721876]

約数ペア:

[(1, 201318721876), (2, 100659360938), (4, 50329680469), (19, 10595722204), (38, 5297861102), (61, 3300306916), (71, 2835474956), (76, 2648930551), (122, 1650153458), (142, 1417737478), (244, 825076729), (284, 708868739), (1159, 173700364), (1349, 149235524), (2318, 86850182), (2698, 74617762), (4331, 46483196), (4636, 43425091), (5396, 37308881), (8662, 23241598), (17324, 11620799), (82289, 2446484), (164578, 1223242), (329156, 611621)]