387998116

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 775366592

約数和(自身を除く): 387368476

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 103, 121, 172, 181, 206, 242, 362, 412, 473, 484, 724, 946, 1133, 1892, 1991, 2266, 3982, 4429, 4532, 5203, 7783, 7964, 8858, 10406, 12463, 15566, 17716, 18643, 20812, 21901, 24926, 31132, 37286, 43802, 48719, 49852, 74572, 85613, 87604, 97438, 171226, 194876, 205073, 342452, 410146, 535909, 801649, 820292, 941743, 1071818, 1603298, 1883486, 2143636, 2255803, 3206596, 3766972, 4511606, 8818139, 9023212, 17636278, 35272556, 96999529, 193999058, 387998116]

約数ペア:

[(1, 387998116), (2, 193999058), (4, 96999529), (11, 35272556), (22, 17636278), (43, 9023212), (44, 8818139), (86, 4511606), (103, 3766972), (121, 3206596), (172, 2255803), (181, 2143636), (206, 1883486), (242, 1603298), (362, 1071818), (412, 941743), (473, 820292), (484, 801649), (724, 535909), (946, 410146), (1133, 342452), (1892, 205073), (1991, 194876), (2266, 171226), (3982, 97438), (4429, 87604), (4532, 85613), (5203, 74572), (7783, 49852), (7964, 48719), (8858, 43802), (10406, 37286), (12463, 31132), (15566, 24926), (17716, 21901), (18643, 20812)]