208481948

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^2$

素因数の和:494

約数の個数: 36

約数和(自身を含む): 393190560

約数和(自身を除く): 184708612

約数列:

[1, 2, 4, 17, 34, 68, 79, 158, 197, 316, 394, 788, 1343, 2686, 3349, 5372, 6698, 13396, 15563, 31126, 38809, 62252, 77618, 155236, 264571, 529142, 659753, 1058284, 1319506, 2639012, 3065911, 6131822, 12263644, 52120487, 104240974, 208481948]

約数ペア:

[(1, 208481948), (2, 104240974), (4, 52120487), (17, 12263644), (34, 6131822), (68, 3065911), (79, 2639012), (158, 1319506), (197, 1058284), (316, 659753), (394, 529142), (788, 264571), (1343, 155236), (2686, 77618), (3349, 62252), (5372, 38809), (6698, 31126), (13396, 15563)]