1285395516

素因数分解:

$2^2\times 3^2\times {\mathrm{421}}^1\times {\mathrm{84811}}^1$

素因数の和:85242

約数の個数: 36

約数和(自身を含む): 3256950424

約数和(自身を除く): 1971554908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 421, 842, 1263, 1684, 2526, 3789, 5052, 7578, 15156, 84811, 169622, 254433, 339244, 508866, 763299, 1017732, 1526598, 3053196, 35705431, 71410862, 107116293, 142821724, 214232586, 321348879, 428465172, 642697758, 1285395516]

約数ペア:

[(1, 1285395516), (2, 642697758), (3, 428465172), (4, 321348879), (6, 214232586), (9, 142821724), (12, 107116293), (18, 71410862), (36, 35705431), (421, 3053196), (842, 1526598), (1263, 1017732), (1684, 763299), (2526, 508866), (3789, 339244), (5052, 254433), (7578, 169622), (15156, 84811)]