388575396

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{659}}^1\times {\mathrm{1489}}^1$

素因数の和:2169

約数の個数: 72

約数和(自身を含む): 1073872800

約数和(自身を除く): 685297404

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 659, 1318, 1489, 1977, 2636, 2978, 3954, 4467, 5931, 5956, 7249, 7908, 8934, 11862, 13401, 14498, 16379, 17868, 21747, 23724, 26802, 28996, 32758, 43494, 49137, 53604, 65241, 65516, 86988, 98274, 130482, 147411, 196548, 260964, 294822, 589644, 981251, 1962502, 2943753, 3925004, 5887506, 8831259, 10793761, 11775012, 17662518, 21587522, 32381283, 35325036, 43175044, 64762566, 97143849, 129525132, 194287698, 388575396]

約数ペア:

[(1, 388575396), (2, 194287698), (3, 129525132), (4, 97143849), (6, 64762566), (9, 43175044), (11, 35325036), (12, 32381283), (18, 21587522), (22, 17662518), (33, 11775012), (36, 10793761), (44, 8831259), (66, 5887506), (99, 3925004), (132, 2943753), (198, 1962502), (396, 981251), (659, 589644), (1318, 294822), (1489, 260964), (1977, 196548), (2636, 147411), (2978, 130482), (3954, 98274), (4467, 86988), (5931, 65516), (5956, 65241), (7249, 53604), (7908, 49137), (8934, 43494), (11862, 32758), (13401, 28996), (14498, 26802), (16379, 23724), (17868, 21747)]