1277698928

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{382087}}^1$

素因数の和:382125

約数の個数: 40

約数和(自身を含む): 2842734720

約数和(自身を除く): 1565035792

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 382087, 764174, 1528348, 3056696, 4202957, 6113392, 7259653, 8405914, 14519306, 16811828, 29038612, 33623656, 58077224, 67247312, 79856183, 116154448, 159712366, 319424732, 638849464, 1277698928]

約数ペア:

[(1, 1277698928), (2, 638849464), (4, 319424732), (8, 159712366), (11, 116154448), (16, 79856183), (19, 67247312), (22, 58077224), (38, 33623656), (44, 29038612), (76, 16811828), (88, 14519306), (152, 8405914), (176, 7259653), (209, 6113392), (304, 4202957), (418, 3056696), (836, 1528348), (1672, 764174), (3344, 382087)]