1280147284

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{23971}}^1$

素因数の和:24080

約数の個数: 36

約数和(自身を含む): 2456650560

約数和(自身を除く): 1176503276

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 169, 316, 338, 676, 1027, 2054, 4108, 13351, 23971, 26702, 47942, 53404, 95884, 311623, 623246, 1246492, 1893709, 3787418, 4051099, 7574836, 8102198, 16204396, 24618217, 49236434, 98472868, 320036821, 640073642, 1280147284]

約数ペア:

[(1, 1280147284), (2, 640073642), (4, 320036821), (13, 98472868), (26, 49236434), (52, 24618217), (79, 16204396), (158, 8102198), (169, 7574836), (316, 4051099), (338, 3787418), (676, 1893709), (1027, 1246492), (2054, 623246), (4108, 311623), (13351, 95884), (23971, 53404), (26702, 47942)]