253998635

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{509}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 342524160

約数和(自身を除く): 88525525

約数列:

[1, 5, 11, 43, 55, 211, 215, 473, 509, 1055, 2321, 2365, 2545, 5599, 9073, 11605, 21887, 27995, 45365, 99803, 107399, 109435, 240757, 499015, 536995, 1181389, 1203785, 4618157, 5906945, 23090785, 50799727, 253998635]

約数ペア:

[(1, 253998635), (5, 50799727), (11, 23090785), (43, 5906945), (55, 4618157), (211, 1203785), (215, 1181389), (473, 536995), (509, 499015), (1055, 240757), (2321, 109435), (2365, 107399), (2545, 99803), (5599, 45365), (9073, 27995), (11605, 21887)]