265782270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{681493}}^1$

素因数の和:681516

約数の個数: 32

約数和(自身を含む): 686945952

約数和(自身を除く): 421163682

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 681493, 1362986, 2044479, 3407465, 4088958, 6814930, 8859409, 10222395, 17718818, 20444790, 26578227, 44297045, 53156454, 88594090, 132891135, 265782270]

約数ペア:

[(1, 265782270), (2, 132891135), (3, 88594090), (5, 53156454), (6, 44297045), (10, 26578227), (13, 20444790), (15, 17718818), (26, 10222395), (30, 8859409), (39, 6814930), (65, 4088958), (78, 3407465), (130, 2044479), (195, 1362986), (390, 681493)]