219877518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{78137}}^1$

素因数の和:78216

約数の個数: 32

約数和(自身を含む): 510084864

約数和(自身を除く): 290207346

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 469, 938, 1407, 2814, 78137, 156274, 234411, 468822, 546959, 1093918, 1640877, 3281754, 5235179, 10470358, 15705537, 31411074, 36646253, 73292506, 109938759, 219877518]

約数ペア:

[(1, 219877518), (2, 109938759), (3, 73292506), (6, 36646253), (7, 31411074), (14, 15705537), (21, 10470358), (42, 5235179), (67, 3281754), (134, 1640877), (201, 1093918), (402, 546959), (469, 468822), (938, 234411), (1407, 156274), (2814, 78137)]