17129580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21961}}^1$

素因数の和:21986

約数の個数: 48

約数和(自身を含む): 51654624

約数和(自身を除く): 34525044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 21961, 43922, 65883, 87844, 109805, 131766, 219610, 263532, 285493, 329415, 439220, 570986, 658830, 856479, 1141972, 1317660, 1427465, 1712958, 2854930, 3425916, 4282395, 5709860, 8564790, 17129580]

約数ペア:

[(1, 17129580), (2, 8564790), (3, 5709860), (4, 4282395), (5, 3425916), (6, 2854930), (10, 1712958), (12, 1427465), (13, 1317660), (15, 1141972), (20, 856479), (26, 658830), (30, 570986), (39, 439220), (52, 329415), (60, 285493), (65, 263532), (78, 219610), (130, 131766), (156, 109805), (195, 87844), (260, 65883), (390, 43922), (780, 21961)]