64451408

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{7883}}^1$

素因数の和:7971

約数の個数: 40

約数和(自身を含む): 144687168

約数和(自身を除く): 80235760

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 146, 292, 511, 584, 1022, 1168, 2044, 4088, 7883, 8176, 15766, 31532, 55181, 63064, 110362, 126128, 220724, 441448, 575459, 882896, 1150918, 2301836, 4028213, 4603672, 8056426, 9207344, 16112852, 32225704, 64451408]

約数ペア:

[(1, 64451408), (2, 32225704), (4, 16112852), (7, 9207344), (8, 8056426), (14, 4603672), (16, 4028213), (28, 2301836), (56, 1150918), (73, 882896), (112, 575459), (146, 441448), (292, 220724), (511, 126128), (584, 110362), (1022, 63064), (1168, 55181), (2044, 31532), (4088, 15766), (7883, 8176)]