1286498889188

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1\times {\mathrm{321323}}^1$

素因数の和:321864

約数の個数: 48

約数和(自身を含む): 2393221152000

約数和(自身を除く): 1106722262812

約数列:

[1, 2, 4, 19, 38, 76, 139, 278, 379, 556, 758, 1516, 2641, 5282, 7201, 10564, 14402, 28804, 52681, 105362, 210724, 321323, 642646, 1000939, 1285292, 2001878, 4003756, 6105137, 12210274, 24420548, 44663897, 89327794, 121781417, 178655588, 243562834, 487125668, 848614043, 1697228086, 2313846923, 3394456172, 4627693846, 9255387692, 16927616963, 33855233926, 67710467852, 321624722297, 643249444594, 1286498889188]

約数ペア:

[(1, 1286498889188), (2, 643249444594), (4, 321624722297), (19, 67710467852), (38, 33855233926), (76, 16927616963), (139, 9255387692), (278, 4627693846), (379, 3394456172), (556, 2313846923), (758, 1697228086), (1516, 848614043), (2641, 487125668), (5282, 243562834), (7201, 178655588), (10564, 121781417), (14402, 89327794), (28804, 44663897), (52681, 24420548), (105362, 12210274), (210724, 6105137), (321323, 4003756), (642646, 2001878), (1000939, 1285292)]