1644963910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{20611}}^1$

素因数の和:20988

約数の個数: 32

約数和(自身を含む): 3098725632

約数和(自身を除く): 1453761722

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 347, 694, 1735, 3470, 7981, 15962, 20611, 39905, 41222, 79810, 103055, 206110, 474053, 948106, 2370265, 4740530, 7152017, 14304034, 35760085, 71520170, 164496391, 328992782, 822481955, 1644963910]

約数ペア:

[(1, 1644963910), (2, 822481955), (5, 328992782), (10, 164496391), (23, 71520170), (46, 35760085), (115, 14304034), (230, 7152017), (347, 4740530), (694, 2370265), (1735, 948106), (3470, 474053), (7981, 206110), (15962, 103055), (20611, 79810), (39905, 41222)]