28271516

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{769}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 61575360

約数和(自身を除く): 33303844

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 101, 182, 202, 364, 404, 707, 769, 1313, 1414, 1538, 2626, 2828, 3076, 5252, 5383, 9191, 9997, 10766, 18382, 19994, 21532, 36764, 39988, 69979, 77669, 139958, 155338, 279916, 310676, 543683, 1009697, 1087366, 2019394, 2174732, 4038788, 7067879, 14135758, 28271516]

約数ペア:

[(1, 28271516), (2, 14135758), (4, 7067879), (7, 4038788), (13, 2174732), (14, 2019394), (26, 1087366), (28, 1009697), (52, 543683), (91, 310676), (101, 279916), (182, 155338), (202, 139958), (364, 77669), (404, 69979), (707, 39988), (769, 36764), (1313, 21532), (1414, 19994), (1538, 18382), (2626, 10766), (2828, 9997), (3076, 9191), (5252, 5383)]