1278005496625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3108557}}^1$

素因数の和:3108619

約数の個数: 64

約数和(自身を含む): 1955258113536

約数和(自身を除く): 677252616911

約数列:

[1, 5, 11, 13, 23, 25, 55, 65, 115, 125, 143, 253, 275, 299, 325, 575, 715, 1265, 1375, 1495, 1625, 2875, 3289, 3575, 6325, 7475, 16445, 17875, 31625, 37375, 82225, 411125, 3108557, 15542785, 34194127, 40411241, 71496811, 77713925, 170970635, 202056205, 357484055, 388569625, 444523651, 786464921, 854853175, 929458543, 1010281025, 1787420275, 2222618255, 3932324605, 4274265875, 4647292715, 5051405125, 8937101375, 10224043973, 11113091275, 19661623025, 23236463575, 51120219865, 55565456375, 98308115125, 116182317875, 255601099325, 1278005496625]

約数ペア:

[(1, 1278005496625), (5, 255601099325), (11, 116182317875), (13, 98308115125), (23, 55565456375), (25, 51120219865), (55, 23236463575), (65, 19661623025), (115, 11113091275), (125, 10224043973), (143, 8937101375), (253, 5051405125), (275, 4647292715), (299, 4274265875), (325, 3932324605), (575, 2222618255), (715, 1787420275), (1265, 1010281025), (1375, 929458543), (1495, 854853175), (1625, 786464921), (2875, 444523651), (3289, 388569625), (3575, 357484055), (6325, 202056205), (7475, 170970635), (16445, 77713925), (17875, 71496811), (31625, 40411241), (37375, 34194127), (82225, 15542785), (411125, 3108557)]