208597922

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:531

約数の個数: 64

約数和(自身を含む): 382838400

約数和(自身を除く): 174240478

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 59, 118, 221, 247, 323, 421, 442, 494, 646, 767, 842, 1003, 1121, 1534, 2006, 2242, 4199, 5473, 7157, 7999, 8398, 10946, 13039, 14314, 14573, 15998, 19057, 24839, 26078, 29146, 38114, 49678, 93041, 103987, 135983, 186082, 207974, 247741, 271966, 322907, 422263, 471941, 495482, 645814, 844526, 943882, 1767779, 3535558, 5489419, 6135233, 8022997, 10978838, 12270466, 16045994, 104298961, 208597922]

約数ペア:

[(1, 208597922), (2, 104298961), (13, 16045994), (17, 12270466), (19, 10978838), (26, 8022997), (34, 6135233), (38, 5489419), (59, 3535558), (118, 1767779), (221, 943882), (247, 844526), (323, 645814), (421, 495482), (442, 471941), (494, 422263), (646, 322907), (767, 271966), (842, 247741), (1003, 207974), (1121, 186082), (1534, 135983), (2006, 103987), (2242, 93041), (4199, 49678), (5473, 38114), (7157, 29146), (7999, 26078), (8398, 24839), (10946, 19057), (13039, 15998), (14314, 14573)]