12779780152

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{947}}^1\times {\mathrm{1889}}^1$

素因数の和:2908

約数の個数: 64

約数和(自身を含む): 25800768000

約数和(自身を除く): 13020987848

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 376, 893, 947, 1786, 1889, 1894, 3572, 3778, 3788, 7144, 7556, 7576, 15112, 17993, 35891, 35986, 44509, 71782, 71972, 88783, 89018, 143564, 143944, 177566, 178036, 287128, 355132, 356072, 710264, 845671, 1686877, 1691342, 1788883, 3373754, 3382684, 3577766, 6747508, 6765368, 7155532, 13495016, 14311064, 33988777, 67977554, 84077501, 135955108, 168155002, 271910216, 336310004, 672620008, 1597472519, 3194945038, 6389890076, 12779780152]

約数ペア:

[(1, 12779780152), (2, 6389890076), (4, 3194945038), (8, 1597472519), (19, 672620008), (38, 336310004), (47, 271910216), (76, 168155002), (94, 135955108), (152, 84077501), (188, 67977554), (376, 33988777), (893, 14311064), (947, 13495016), (1786, 7155532), (1889, 6765368), (1894, 6747508), (3572, 3577766), (3778, 3382684), (3788, 3373754), (7144, 1788883), (7556, 1691342), (7576, 1686877), (15112, 845671), (17993, 710264), (35891, 356072), (35986, 355132), (44509, 287128), (71782, 178036), (71972, 177566), (88783, 143944), (89018, 143564)]