140071256

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{313}}^1\times {\mathrm{331}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 286160760

約数和(自身を除く): 146089504

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 313, 331, 338, 626, 662, 676, 1252, 1324, 1352, 2504, 2648, 4069, 4303, 8138, 8606, 16276, 17212, 32552, 34424, 52897, 55939, 103603, 105794, 111878, 207206, 211588, 223756, 414412, 423176, 447512, 828824, 1346839, 2693678, 5387356, 10774712, 17508907, 35017814, 70035628, 140071256]

約数ペア:

[(1, 140071256), (2, 70035628), (4, 35017814), (8, 17508907), (13, 10774712), (26, 5387356), (52, 2693678), (104, 1346839), (169, 828824), (313, 447512), (331, 423176), (338, 414412), (626, 223756), (662, 211588), (676, 207206), (1252, 111878), (1324, 105794), (1352, 103603), (2504, 55939), (2648, 52897), (4069, 34424), (4303, 32552), (8138, 17212), (8606, 16276)]