198716944

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{23567}}^1$

素因数の和:23623

約数の個数: 40

約数和(自身を含む): 420830208

約数和(自身を除く): 222113264

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 4216, 8432, 23567, 47134, 94268, 188536, 377072, 400639, 730577, 801278, 1461154, 1602556, 2922308, 3205112, 5844616, 6410224, 11689232, 12419809, 24839618, 49679236, 99358472, 198716944]

約数ペア:

[(1, 198716944), (2, 99358472), (4, 49679236), (8, 24839618), (16, 12419809), (17, 11689232), (31, 6410224), (34, 5844616), (62, 3205112), (68, 2922308), (124, 1602556), (136, 1461154), (248, 801278), (272, 730577), (496, 400639), (527, 377072), (1054, 188536), (2108, 94268), (4216, 47134), (8432, 23567)]