131199978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12647}}^1$

素因数の和:12691

約数の個数: 64

約数和(自身を含む): 339978240

約数和(自身を除く): 208778262

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 399, 494, 546, 741, 798, 1482, 1729, 3458, 5187, 10374, 12647, 25294, 37941, 75882, 88529, 164411, 177058, 240293, 265587, 328822, 480586, 493233, 531174, 720879, 986466, 1150877, 1441758, 1682051, 2301754, 3123809, 3364102, 3452631, 5046153, 6247618, 6905262, 9371427, 10092306, 18742854, 21866663, 43733326, 65599989, 131199978]

約数ペア:

[(1, 131199978), (2, 65599989), (3, 43733326), (6, 21866663), (7, 18742854), (13, 10092306), (14, 9371427), (19, 6905262), (21, 6247618), (26, 5046153), (38, 3452631), (39, 3364102), (42, 3123809), (57, 2301754), (78, 1682051), (91, 1441758), (114, 1150877), (133, 986466), (182, 720879), (247, 531174), (266, 493233), (273, 480586), (399, 328822), (494, 265587), (546, 240293), (741, 177058), (798, 164411), (1482, 88529), (1729, 75882), (3458, 37941), (5187, 25294), (10374, 12647)]