1288892668

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1609}}^1$

素因数の和:1755

約数の個数: 72

約数和(自身を含む): 2708316240

約数和(自身を除く): 1419423572

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 67, 98, 122, 134, 196, 244, 268, 427, 469, 854, 938, 1609, 1708, 1876, 2989, 3218, 3283, 4087, 5978, 6436, 6566, 8174, 11263, 11956, 13132, 16348, 22526, 28609, 45052, 57218, 78841, 98149, 107803, 114436, 157682, 196298, 200263, 215606, 315364, 392596, 400526, 431212, 687043, 754621, 801052, 1374086, 1509242, 2748172, 3018484, 4809301, 5282347, 6575983, 9618602, 10564694, 13151966, 19237204, 21129388, 26303932, 46031881, 92063762, 184127524, 322223167, 644446334, 1288892668]

約数ペア:

[(1, 1288892668), (2, 644446334), (4, 322223167), (7, 184127524), (14, 92063762), (28, 46031881), (49, 26303932), (61, 21129388), (67, 19237204), (98, 13151966), (122, 10564694), (134, 9618602), (196, 6575983), (244, 5282347), (268, 4809301), (427, 3018484), (469, 2748172), (854, 1509242), (938, 1374086), (1609, 801052), (1708, 754621), (1876, 687043), (2989, 431212), (3218, 400526), (3283, 392596), (4087, 315364), (5978, 215606), (6436, 200263), (6566, 196298), (8174, 157682), (11263, 114436), (11956, 107803), (13132, 98149), (16348, 78841), (22526, 57218), (28609, 45052)]