28429884

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1117}}^1$

素因数の和:1235

約数の個数: 72

約数和(自身を含む): 83018208

約数和(自身を除く): 54588324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 101, 126, 202, 252, 303, 404, 606, 707, 909, 1117, 1212, 1414, 1818, 2121, 2234, 2828, 3351, 3636, 4242, 4468, 6363, 6702, 7819, 8484, 10053, 12726, 13404, 15638, 20106, 23457, 25452, 31276, 40212, 46914, 70371, 93828, 112817, 140742, 225634, 281484, 338451, 451268, 676902, 789719, 1015353, 1353804, 1579438, 2030706, 2369157, 3158876, 4061412, 4738314, 7107471, 9476628, 14214942, 28429884]

約数ペア:

[(1, 28429884), (2, 14214942), (3, 9476628), (4, 7107471), (6, 4738314), (7, 4061412), (9, 3158876), (12, 2369157), (14, 2030706), (18, 1579438), (21, 1353804), (28, 1015353), (36, 789719), (42, 676902), (63, 451268), (84, 338451), (101, 281484), (126, 225634), (202, 140742), (252, 112817), (303, 93828), (404, 70371), (606, 46914), (707, 40212), (909, 31276), (1117, 25452), (1212, 23457), (1414, 20106), (1818, 15638), (2121, 13404), (2234, 12726), (2828, 10053), (3351, 8484), (3636, 7819), (4242, 6702), (4468, 6363)]