78261568

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15881}}^1$

素因数の和:15911

約数の個数: 56

約数和(自身を含む): 193633344

約数和(自身を除く): 115371776

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 154, 176, 224, 308, 352, 448, 616, 704, 1232, 2464, 4928, 15881, 31762, 63524, 111167, 127048, 174691, 222334, 254096, 349382, 444668, 508192, 698764, 889336, 1016384, 1222837, 1397528, 1778672, 2445674, 2795056, 3557344, 4891348, 5590112, 7114688, 9782696, 11180224, 19565392, 39130784, 78261568]

約数ペア:

[(1, 78261568), (2, 39130784), (4, 19565392), (7, 11180224), (8, 9782696), (11, 7114688), (14, 5590112), (16, 4891348), (22, 3557344), (28, 2795056), (32, 2445674), (44, 1778672), (56, 1397528), (64, 1222837), (77, 1016384), (88, 889336), (112, 698764), (154, 508192), (176, 444668), (224, 349382), (308, 254096), (352, 222334), (448, 174691), (616, 127048), (704, 111167), (1232, 63524), (2464, 31762), (4928, 15881)]