128728158

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{56909}}^1$

素因数の和:56956

約数の個数: 32

約数和(自身を含む): 286826400

約数和(自身を除く): 158098242

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 174, 377, 754, 1131, 2262, 56909, 113818, 170727, 341454, 739817, 1479634, 1650361, 2219451, 3300722, 4438902, 4951083, 9902166, 21454693, 42909386, 64364079, 128728158]

約数ペア:

[(1, 128728158), (2, 64364079), (3, 42909386), (6, 21454693), (13, 9902166), (26, 4951083), (29, 4438902), (39, 3300722), (58, 2219451), (78, 1650361), (87, 1479634), (174, 739817), (377, 341454), (754, 170727), (1131, 113818), (2262, 56909)]