81695378

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{21023}}^1$

素因数の和:21121

約数の個数: 16

約数和(自身を含む): 128666880

約数和(自身を除く): 46971502

約数列:

[1, 2, 29, 58, 67, 134, 1943, 3886, 21023, 42046, 609667, 1219334, 1408541, 2817082, 40847689, 81695378]

約数ペア:

[(1, 81695378), (2, 40847689), (29, 2817082), (58, 1408541), (67, 1219334), (134, 609667), (1943, 42046), (3886, 21023)]