199975678

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{1489}}^1$

素因数の和:1732

約数の個数: 32

約数和(自身を含む): 351449280

約数和(自身を除く): 151473602

約数列:

[1, 2, 7, 14, 53, 106, 181, 362, 371, 742, 1267, 1489, 2534, 2978, 9593, 10423, 19186, 20846, 67151, 78917, 134302, 157834, 269509, 539018, 552419, 1104838, 1886563, 3773126, 14283977, 28567954, 99987839, 199975678]

約数ペア:

[(1, 199975678), (2, 99987839), (7, 28567954), (14, 14283977), (53, 3773126), (106, 1886563), (181, 1104838), (362, 552419), (371, 539018), (742, 269509), (1267, 157834), (1489, 134302), (2534, 78917), (2978, 67151), (9593, 20846), (10423, 19186)]