285781132

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1901}}^1$

素因数の和:1991

約数の個数: 72

約数和(自身を含む): 637474320

約数和(自身を除く): 351693188

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 59, 91, 98, 118, 182, 196, 236, 364, 413, 637, 767, 826, 1274, 1534, 1652, 1901, 2548, 2891, 3068, 3802, 5369, 5782, 7604, 10738, 11564, 13307, 21476, 24713, 26614, 37583, 49426, 53228, 75166, 93149, 98852, 112159, 150332, 172991, 186298, 224318, 345982, 372596, 448636, 691964, 785113, 1210937, 1458067, 1570226, 2421874, 2916134, 3140452, 4843748, 5495791, 5832268, 10206469, 10991582, 20412938, 21983164, 40825876, 71445283, 142890566, 285781132]

約数ペア:

[(1, 285781132), (2, 142890566), (4, 71445283), (7, 40825876), (13, 21983164), (14, 20412938), (26, 10991582), (28, 10206469), (49, 5832268), (52, 5495791), (59, 4843748), (91, 3140452), (98, 2916134), (118, 2421874), (182, 1570226), (196, 1458067), (236, 1210937), (364, 785113), (413, 691964), (637, 448636), (767, 372596), (826, 345982), (1274, 224318), (1534, 186298), (1652, 172991), (1901, 150332), (2548, 112159), (2891, 98852), (3068, 93149), (3802, 75166), (5369, 53228), (5782, 49426), (7604, 37583), (10738, 26614), (11564, 24713), (13307, 21476)]