666281040022

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{1609}}^1\times {\mathrm{19687}}^1$

素因数の和:22120

約数の個数: 32

約数和(自身を含む): 1078355073600

約数和(自身を除く): 412074033578

約数列:

[1, 2, 13, 26, 809, 1609, 1618, 3218, 10517, 19687, 20917, 21034, 39374, 41834, 255931, 511862, 1301681, 2603362, 15926783, 16921853, 31676383, 31853566, 33843706, 63352766, 207048179, 411792979, 414096358, 823585958, 25626193847, 51252387694, 333140520011, 666281040022]

約数ペア:

[(1, 666281040022), (2, 333140520011), (13, 51252387694), (26, 25626193847), (809, 823585958), (1609, 414096358), (1618, 411792979), (3218, 207048179), (10517, 63352766), (19687, 33843706), (20917, 31853566), (21034, 31676383), (39374, 16921853), (41834, 15926783), (255931, 2603362), (511862, 1301681)]