278399412

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{2357}}^1$

素因数の和:2577

約数の個数: 72

約数和(自身を含む): 749306376

約数和(自身を除く): 470906964

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 193, 204, 306, 386, 579, 612, 772, 1158, 1737, 2316, 2357, 3281, 3474, 4714, 6562, 6948, 7071, 9428, 9843, 13124, 14142, 19686, 21213, 28284, 29529, 39372, 40069, 42426, 59058, 80138, 84852, 118116, 120207, 160276, 240414, 360621, 454901, 480828, 721242, 909802, 1364703, 1442484, 1819604, 2729406, 4094109, 5458812, 7733317, 8188218, 15466634, 16376436, 23199951, 30933268, 46399902, 69599853, 92799804, 139199706, 278399412]

約数ペア:

[(1, 278399412), (2, 139199706), (3, 92799804), (4, 69599853), (6, 46399902), (9, 30933268), (12, 23199951), (17, 16376436), (18, 15466634), (34, 8188218), (36, 7733317), (51, 5458812), (68, 4094109), (102, 2729406), (153, 1819604), (193, 1442484), (204, 1364703), (306, 909802), (386, 721242), (579, 480828), (612, 454901), (772, 360621), (1158, 240414), (1737, 160276), (2316, 120207), (2357, 118116), (3281, 84852), (3474, 80138), (4714, 59058), (6562, 42426), (6948, 40069), (7071, 39372), (9428, 29529), (9843, 28284), (13124, 21213), (14142, 19686)]