78481270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{15791}}^1$

素因数の和:15876

約数の個数: 32

約数和(自身を含む): 163731456

約数和(自身を除く): 85250186

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 15791, 31582, 78955, 110537, 157910, 221074, 552685, 1105370, 1121161, 2242322, 5605805, 7848127, 11211610, 15696254, 39240635, 78481270]

約数ペア:

[(1, 78481270), (2, 39240635), (5, 15696254), (7, 11211610), (10, 7848127), (14, 5605805), (35, 2242322), (70, 1121161), (71, 1105370), (142, 552685), (355, 221074), (497, 157910), (710, 110537), (994, 78955), (2485, 31582), (4970, 15791)]