178307948

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{1279}}^1$

素因数の和:1686

約数の個数: 48

約数和(自身を含む): 385351680

約数和(自身を除く): 207043732

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 383, 766, 1279, 1532, 2558, 2681, 4979, 5116, 5362, 8953, 9958, 10724, 16627, 17906, 19916, 33254, 34853, 35812, 66508, 69706, 116389, 139412, 232778, 465556, 489857, 979714, 1959428, 3428999, 6368141, 6857998, 12736282, 13715996, 25472564, 44576987, 89153974, 178307948]

約数ペア:

[(1, 178307948), (2, 89153974), (4, 44576987), (7, 25472564), (13, 13715996), (14, 12736282), (26, 6857998), (28, 6368141), (52, 3428999), (91, 1959428), (182, 979714), (364, 489857), (383, 465556), (766, 232778), (1279, 139412), (1532, 116389), (2558, 69706), (2681, 66508), (4979, 35812), (5116, 34853), (5362, 33254), (8953, 19916), (9958, 17906), (10724, 16627)]