1279489816

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{569}}^1$

素因数の和:721

約数の個数: 96

約数和(自身を含む): 2783743200

約数和(自身を除く): 1504253384

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 101, 121, 184, 202, 242, 253, 404, 484, 506, 569, 808, 968, 1012, 1111, 1138, 2024, 2222, 2276, 2323, 2783, 4444, 4552, 4646, 5566, 6259, 8888, 9292, 11132, 12221, 12518, 13087, 18584, 22264, 24442, 25036, 25553, 26174, 48884, 50072, 51106, 52348, 57469, 68849, 97768, 102212, 104696, 114938, 137698, 143957, 204424, 229876, 275396, 281083, 287914, 459752, 550792, 562166, 575828, 632159, 1124332, 1151656, 1264318, 1321787, 1583527, 2248664, 2528636, 2643574, 3167054, 5057272, 5287148, 6334108, 6953749, 10574296, 12668216, 13907498, 14539657, 27814996, 29079314, 55629992, 58158628, 116317256, 159936227, 319872454, 639744908, 1279489816]

約数ペア:

[(1, 1279489816), (2, 639744908), (4, 319872454), (8, 159936227), (11, 116317256), (22, 58158628), (23, 55629992), (44, 29079314), (46, 27814996), (88, 14539657), (92, 13907498), (101, 12668216), (121, 10574296), (184, 6953749), (202, 6334108), (242, 5287148), (253, 5057272), (404, 3167054), (484, 2643574), (506, 2528636), (569, 2248664), (808, 1583527), (968, 1321787), (1012, 1264318), (1111, 1151656), (1138, 1124332), (2024, 632159), (2222, 575828), (2276, 562166), (2323, 550792), (2783, 459752), (4444, 287914), (4552, 281083), (4646, 275396), (5566, 229876), (6259, 204424), (8888, 143957), (9292, 137698), (11132, 114938), (12221, 104696), (12518, 102212), (13087, 97768), (18584, 68849), (22264, 57469), (24442, 52348), (25036, 51106), (25553, 50072), (26174, 48884)]