205510188

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{1993}}^1$

素因数の和:2674

約数の個数: 48

約数和(自身を含む): 517450976

約数和(自身を除く): 311940788

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 661, 1322, 1983, 1993, 2644, 3966, 3986, 5979, 7932, 7972, 8593, 11958, 17186, 23916, 25779, 25909, 34372, 51558, 51818, 77727, 103116, 103636, 155454, 310908, 1317373, 2634746, 3952119, 5269492, 7904238, 15808476, 17125849, 34251698, 51377547, 68503396, 102755094, 205510188]

約数ペア:

[(1, 205510188), (2, 102755094), (3, 68503396), (4, 51377547), (6, 34251698), (12, 17125849), (13, 15808476), (26, 7904238), (39, 5269492), (52, 3952119), (78, 2634746), (156, 1317373), (661, 310908), (1322, 155454), (1983, 103636), (1993, 103116), (2644, 77727), (3966, 51818), (3986, 51558), (5979, 34372), (7932, 25909), (7972, 25779), (8593, 23916), (11958, 17186)]