257647270356

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{19290751}}^1$

素因数の和:19290821

約数の個数: 72

約数和(自身を含む): 758358042624

約数和(自身を除く): 500710772268

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 53, 63, 84, 106, 126, 159, 212, 252, 318, 371, 477, 636, 742, 954, 1113, 1484, 1908, 2226, 3339, 4452, 6678, 13356, 19290751, 38581502, 57872253, 77163004, 115744506, 135035257, 173616759, 231489012, 270070514, 347233518, 405105771, 540141028, 694467036, 810211542, 1022409803, 1215317313, 1620423084, 2044819606, 2430634626, 3067229409, 4089639212, 4861269252, 6134458818, 7156868621, 9201688227, 12268917636, 14313737242, 18403376454, 21470605863, 28627474484, 36806752908, 42941211726, 64411817589, 85882423452, 128823635178, 257647270356]

約数ペア:

[(1, 257647270356), (2, 128823635178), (3, 85882423452), (4, 64411817589), (6, 42941211726), (7, 36806752908), (9, 28627474484), (12, 21470605863), (14, 18403376454), (18, 14313737242), (21, 12268917636), (28, 9201688227), (36, 7156868621), (42, 6134458818), (53, 4861269252), (63, 4089639212), (84, 3067229409), (106, 2430634626), (126, 2044819606), (159, 1620423084), (212, 1215317313), (252, 1022409803), (318, 810211542), (371, 694467036), (477, 540141028), (636, 405105771), (742, 347233518), (954, 270070514), (1113, 231489012), (1484, 173616759), (1908, 135035257), (2226, 115744506), (3339, 77163004), (4452, 57872253), (6678, 38581502), (13356, 19290751)]