39914128

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:415

約数の個数: 40

約数和(自身を含む): 79057440

約数和(自身を除く): 39143312

約数列:

[1, 2, 4, 8, 16, 131, 137, 139, 262, 274, 278, 524, 548, 556, 1048, 1096, 1112, 2096, 2192, 2224, 17947, 18209, 19043, 35894, 36418, 38086, 71788, 72836, 76172, 143576, 145672, 152344, 287152, 291344, 304688, 2494633, 4989266, 9978532, 19957064, 39914128]

約数ペア:

[(1, 39914128), (2, 19957064), (4, 9978532), (8, 4989266), (16, 2494633), (131, 304688), (137, 291344), (139, 287152), (262, 152344), (274, 145672), (278, 143576), (524, 76172), (548, 72836), (556, 71788), (1048, 38086), (1096, 36418), (1112, 35894), (2096, 19043), (2192, 18209), (2224, 17947)]