261898872

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{641909}}^1$

素因数の和:641935

約数の個数: 32

約数和(自身を含む): 693262800

約数和(自身を除く): 431363928

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 641909, 1283818, 1925727, 2567636, 3851454, 5135272, 7702908, 10912453, 15405816, 21824906, 32737359, 43649812, 65474718, 87299624, 130949436, 261898872]

約数ペア:

[(1, 261898872), (2, 130949436), (3, 87299624), (4, 65474718), (6, 43649812), (8, 32737359), (12, 21824906), (17, 15405816), (24, 10912453), (34, 7702908), (51, 5135272), (68, 3851454), (102, 2567636), (136, 1925727), (204, 1283818), (408, 641909)]