780118415

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1\times {\mathrm{227}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 985452480

約数和(自身を除く): 205334065

約数列:

[1, 5, 29, 137, 145, 173, 227, 685, 865, 1135, 3973, 5017, 6583, 19865, 23701, 25085, 31099, 32915, 39271, 118505, 155495, 196355, 687329, 901871, 1138859, 3436645, 4509355, 5380127, 5694295, 26900635, 156023683, 780118415]

約数ペア:

[(1, 780118415), (5, 156023683), (29, 26900635), (137, 5694295), (145, 5380127), (173, 4509355), (227, 3436645), (685, 1138859), (865, 901871), (1135, 687329), (3973, 196355), (5017, 155495), (6583, 118505), (19865, 39271), (23701, 32915), (25085, 31099)]