25020337321

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1\times {\mathrm{1427}}^1$

素因数の和:2006

約数の個数: 48

約数和(自身を含む): 31549089600

約数和(自身を除く): 6528752279

約数列:

[1, 7, 19, 37, 49, 133, 259, 509, 703, 931, 1427, 1813, 3563, 4921, 9671, 9989, 18833, 24941, 27113, 34447, 52799, 67697, 69923, 131831, 189791, 357827, 369593, 473879, 726343, 922817, 1003181, 1328537, 2504789, 2587151, 5084401, 7022267, 13800517, 17533523, 26874691, 35590807, 49155869, 96603619, 188122837, 510619129, 676225333, 1316859859, 3574333903, 25020337321]

約数ペア:

[(1, 25020337321), (7, 3574333903), (19, 1316859859), (37, 676225333), (49, 510619129), (133, 188122837), (259, 96603619), (509, 49155869), (703, 35590807), (931, 26874691), (1427, 17533523), (1813, 13800517), (3563, 7022267), (4921, 5084401), (9671, 2587151), (9989, 2504789), (18833, 1328537), (24941, 1003181), (27113, 922817), (34447, 726343), (52799, 473879), (67697, 369593), (69923, 357827), (131831, 189791)]