259705424

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{991}}^1\times {\mathrm{1489}}^1$

素因数の和:2499

約数の個数: 40

約数和(自身を含む): 549845760

約数和(自身を除く): 290140336

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 991, 1489, 1982, 2978, 3964, 5956, 7928, 10901, 11912, 15856, 16379, 21802, 23824, 32758, 43604, 65516, 87208, 131032, 174416, 262064, 1475599, 2951198, 5902396, 11804792, 16231589, 23609584, 32463178, 64926356, 129852712, 259705424]

約数ペア:

[(1, 259705424), (2, 129852712), (4, 64926356), (8, 32463178), (11, 23609584), (16, 16231589), (22, 11804792), (44, 5902396), (88, 2951198), (176, 1475599), (991, 262064), (1489, 174416), (1982, 131032), (2978, 87208), (3964, 65516), (5956, 43604), (7928, 32758), (10901, 23824), (11912, 21802), (15856, 16379)]