219212609

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{3019}}^1$

素因数の和:3101

約数の個数: 32

約数和(自身を含む): 292239360

約数和(自身を除く): 73026751

約数列:

[1, 7, 11, 23, 41, 77, 161, 253, 287, 451, 943, 1771, 3019, 3157, 6601, 10373, 21133, 33209, 69437, 72611, 123779, 232463, 486059, 763807, 866453, 1361569, 2846917, 5346649, 9530983, 19928419, 31316087, 219212609]

約数ペア:

[(1, 219212609), (7, 31316087), (11, 19928419), (23, 9530983), (41, 5346649), (77, 2846917), (161, 1361569), (253, 866453), (287, 763807), (451, 486059), (943, 232463), (1771, 123779), (3019, 72611), (3157, 69437), (6601, 33209), (10373, 21133)]