78001638

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{90911}}^1$

素因数の和:90940

約数の個数: 32

約数和(自身を含む): 183278592

約数和(自身を除く): 105276954

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 90911, 181822, 272733, 545466, 1000021, 1181843, 2000042, 2363686, 3000063, 3545529, 6000126, 7091058, 13000273, 26000546, 39000819, 78001638]

約数ペア:

[(1, 78001638), (2, 39000819), (3, 26000546), (6, 13000273), (11, 7091058), (13, 6000126), (22, 3545529), (26, 3000063), (33, 2363686), (39, 2000042), (66, 1181843), (78, 1000021), (143, 545466), (286, 272733), (429, 181822), (858, 90911)]