279667024

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{479}}^1$

素因数の和:908

約数の個数: 80

約数和(自身を含む): 669957120

約数和(自身を除く): 390290096

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 401, 479, 728, 802, 958, 1456, 1604, 1916, 2807, 3208, 3353, 3832, 5213, 5614, 6227, 6416, 6706, 7664, 10426, 11228, 12454, 13412, 20852, 22456, 24908, 26824, 36491, 41704, 43589, 44912, 49816, 53648, 72982, 83408, 87178, 99632, 145964, 174356, 192079, 291928, 348712, 384158, 583856, 697424, 768316, 1344553, 1536632, 2497027, 2689106, 3073264, 4994054, 5378212, 9988108, 10756424, 17479189, 19976216, 21512848, 34958378, 39952432, 69916756, 139833512, 279667024]

約数ペア:

[(1, 279667024), (2, 139833512), (4, 69916756), (7, 39952432), (8, 34958378), (13, 21512848), (14, 19976216), (16, 17479189), (26, 10756424), (28, 9988108), (52, 5378212), (56, 4994054), (91, 3073264), (104, 2689106), (112, 2497027), (182, 1536632), (208, 1344553), (364, 768316), (401, 697424), (479, 583856), (728, 384158), (802, 348712), (958, 291928), (1456, 192079), (1604, 174356), (1916, 145964), (2807, 99632), (3208, 87178), (3353, 83408), (3832, 72982), (5213, 53648), (5614, 49816), (6227, 44912), (6416, 43589), (6706, 41704), (7664, 36491), (10426, 26824), (11228, 24908), (12454, 22456), (13412, 20852)]