391323128

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{947}}^1$

素因数の和:1164

約数の個数: 64

約数和(自身を含む): 862755840

約数和(自身を除く): 471432712

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 157, 188, 314, 329, 376, 628, 658, 947, 1099, 1256, 1316, 1894, 2198, 2632, 3788, 4396, 6629, 7379, 7576, 8792, 13258, 14758, 26516, 29516, 44509, 51653, 53032, 59032, 89018, 103306, 148679, 178036, 206612, 297358, 311563, 356072, 413224, 594716, 623126, 1040753, 1189432, 1246252, 2081506, 2492504, 4163012, 6987913, 8326024, 13975826, 27951652, 48915391, 55903304, 97830782, 195661564, 391323128]

約数ペア:

[(1, 391323128), (2, 195661564), (4, 97830782), (7, 55903304), (8, 48915391), (14, 27951652), (28, 13975826), (47, 8326024), (56, 6987913), (94, 4163012), (157, 2492504), (188, 2081506), (314, 1246252), (329, 1189432), (376, 1040753), (628, 623126), (658, 594716), (947, 413224), (1099, 356072), (1256, 311563), (1316, 297358), (1894, 206612), (2198, 178036), (2632, 148679), (3788, 103306), (4396, 89018), (6629, 59032), (7379, 53032), (7576, 51653), (8792, 44509), (13258, 29516), (14758, 26516)]