251805424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{32719}}^1$

素因数の和:32777

約数の個数: 40

約数和(自身を含む): 539618240

約数和(自身を除く): 287812816

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 3848, 7696, 32719, 65438, 130876, 261752, 425347, 523504, 850694, 1210603, 1701388, 2421206, 3402776, 4842412, 6805552, 9684824, 15737839, 19369648, 31475678, 62951356, 125902712, 251805424]

約数ペア:

[(1, 251805424), (2, 125902712), (4, 62951356), (8, 31475678), (13, 19369648), (16, 15737839), (26, 9684824), (37, 6805552), (52, 4842412), (74, 3402776), (104, 2421206), (148, 1701388), (208, 1210603), (296, 850694), (481, 523504), (592, 425347), (962, 261752), (1924, 130876), (3848, 65438), (7696, 32719)]