71328128

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 151368000

約数和(自身を除く): 80039872

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 139, 152, 211, 278, 304, 422, 556, 608, 844, 1112, 1216, 1688, 2224, 2432, 2641, 3376, 4009, 4448, 5282, 6752, 8018, 8896, 10564, 13504, 16036, 17792, 21128, 27008, 29329, 32072, 42256, 58658, 64144, 84512, 117316, 128288, 169024, 234632, 256576, 338048, 469264, 513152, 557251, 938528, 1114502, 1877056, 2229004, 3754112, 4458008, 8916016, 17832032, 35664064, 71328128]

約数ペア:

[(1, 71328128), (2, 35664064), (4, 17832032), (8, 8916016), (16, 4458008), (19, 3754112), (32, 2229004), (38, 1877056), (64, 1114502), (76, 938528), (128, 557251), (139, 513152), (152, 469264), (211, 338048), (278, 256576), (304, 234632), (422, 169024), (556, 128288), (608, 117316), (844, 84512), (1112, 64144), (1216, 58658), (1688, 42256), (2224, 32072), (2432, 29329), (2641, 27008), (3376, 21128), (4009, 17792), (4448, 16036), (5282, 13504), (6752, 10564), (8018, 8896)]