28161224

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{383}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 65802240

約数和(自身を除く): 37641016

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 101, 104, 182, 202, 364, 383, 404, 707, 728, 766, 808, 1313, 1414, 1532, 2626, 2681, 2828, 3064, 4979, 5252, 5362, 5656, 9191, 9958, 10504, 10724, 18382, 19916, 21448, 34853, 36764, 38683, 39832, 69706, 73528, 77366, 139412, 154732, 270781, 278824, 309464, 502879, 541562, 1005758, 1083124, 2011516, 2166248, 3520153, 4023032, 7040306, 14080612, 28161224]

約数ペア:

[(1, 28161224), (2, 14080612), (4, 7040306), (7, 4023032), (8, 3520153), (13, 2166248), (14, 2011516), (26, 1083124), (28, 1005758), (52, 541562), (56, 502879), (91, 309464), (101, 278824), (104, 270781), (182, 154732), (202, 139412), (364, 77366), (383, 73528), (404, 69706), (707, 39832), (728, 38683), (766, 36764), (808, 34853), (1313, 21448), (1414, 19916), (1532, 18382), (2626, 10724), (2681, 10504), (2828, 9958), (3064, 9191), (4979, 5656), (5252, 5362)]