28305261215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{292909}}^1$

素因数の和:293183

約数の個数: 32

約数和(自身を含む): 42516472320

約数和(自身を除く): 14211211105

約数列:

[1, 5, 7, 11, 35, 55, 77, 251, 385, 1255, 1757, 2761, 8785, 13805, 19327, 96635, 292909, 1464545, 2050363, 3221999, 10251815, 16109995, 22553993, 73520159, 112769965, 367600795, 514641113, 808721749, 2573205565, 4043608745, 5661052243, 28305261215]

約数ペア:

[(1, 28305261215), (5, 5661052243), (7, 4043608745), (11, 2573205565), (35, 808721749), (55, 514641113), (77, 367600795), (251, 112769965), (385, 73520159), (1255, 22553993), (1757, 16109995), (2761, 10251815), (8785, 3221999), (13805, 2050363), (19327, 1464545), (96635, 292909)]