321578660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{8191}}^1$

素因数の和:8364

約数の個数: 48

約数和(自身を含む): 732168192

約数和(自身を除く): 410589532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 151, 260, 302, 604, 755, 1510, 1963, 3020, 3926, 7852, 8191, 9815, 16382, 19630, 32764, 39260, 40955, 81910, 106483, 163820, 212966, 425932, 532415, 1064830, 1236841, 2129660, 2473682, 4947364, 6184205, 12368410, 16078933, 24736820, 32157866, 64315732, 80394665, 160789330, 321578660]

約数ペア:

[(1, 321578660), (2, 160789330), (4, 80394665), (5, 64315732), (10, 32157866), (13, 24736820), (20, 16078933), (26, 12368410), (52, 6184205), (65, 4947364), (130, 2473682), (151, 2129660), (260, 1236841), (302, 1064830), (604, 532415), (755, 425932), (1510, 212966), (1963, 163820), (3020, 106483), (3926, 81910), (7852, 40955), (8191, 39260), (9815, 32764), (16382, 19630)]