261653172

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{4993}}^1$

素因数の和:5408

約数の個数: 48

約数和(自身を含む): 667837632

約数和(自身を除く): 406184460

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 397, 794, 1191, 1588, 2382, 4367, 4764, 4993, 8734, 9986, 13101, 14979, 17468, 19972, 26202, 29958, 52404, 54923, 59916, 109846, 164769, 219692, 329538, 659076, 1982221, 3964442, 5946663, 7928884, 11893326, 21804431, 23786652, 43608862, 65413293, 87217724, 130826586, 261653172]

約数ペア:

[(1, 261653172), (2, 130826586), (3, 87217724), (4, 65413293), (6, 43608862), (11, 23786652), (12, 21804431), (22, 11893326), (33, 7928884), (44, 5946663), (66, 3964442), (132, 1982221), (397, 659076), (794, 329538), (1191, 219692), (1588, 164769), (2382, 109846), (4367, 59916), (4764, 54923), (4993, 52404), (8734, 29958), (9986, 26202), (13101, 19972), (14979, 17468)]