173823728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{12473}}^1$

素因数の和:12561

約数の個数: 40

約数和(自身を含む): 368132688

約数和(自身を除く): 194308960

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3484, 6968, 12473, 13936, 24946, 49892, 99784, 162149, 199568, 324298, 648596, 835691, 1297192, 1671382, 2594384, 3342764, 6685528, 10863983, 13371056, 21727966, 43455932, 86911864, 173823728]

約数ペア:

[(1, 173823728), (2, 86911864), (4, 43455932), (8, 21727966), (13, 13371056), (16, 10863983), (26, 6685528), (52, 3342764), (67, 2594384), (104, 1671382), (134, 1297192), (208, 835691), (268, 648596), (536, 324298), (871, 199568), (1072, 162149), (1742, 99784), (3484, 49892), (6968, 24946), (12473, 13936)]