208376416

素因数分解:

$2^5\times {\mathrm{103}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:635

約数の個数: 48

約数和(自身を含む): 417650688

約数和(自身を除く): 209274272

約数列:

[1, 2, 4, 8, 16, 32, 103, 191, 206, 331, 382, 412, 662, 764, 824, 1324, 1528, 1648, 2648, 3056, 3296, 5296, 6112, 10592, 19673, 34093, 39346, 63221, 68186, 78692, 126442, 136372, 157384, 252884, 272744, 314768, 505768, 545488, 629536, 1011536, 1090976, 2023072, 6511763, 13023526, 26047052, 52094104, 104188208, 208376416]

約数ペア:

[(1, 208376416), (2, 104188208), (4, 52094104), (8, 26047052), (16, 13023526), (32, 6511763), (103, 2023072), (191, 1090976), (206, 1011536), (331, 629536), (382, 545488), (412, 505768), (662, 314768), (764, 272744), (824, 252884), (1324, 157384), (1528, 136372), (1648, 126442), (2648, 78692), (3056, 68186), (3296, 63221), (5296, 39346), (6112, 34093), (10592, 19673)]