129358118

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1663}}^1$

素因数の和:1796

約数の個数: 32

約数和(自身を含む): 215654400

約数和(自身を除く): 86296282

約数列:

[1, 2, 19, 23, 38, 46, 89, 178, 437, 874, 1663, 1691, 2047, 3326, 3382, 4094, 31597, 38249, 38893, 63194, 76498, 77786, 148007, 296014, 726731, 1453462, 2812133, 3404161, 5624266, 6808322, 64679059, 129358118]

約数ペア:

[(1, 129358118), (2, 64679059), (19, 6808322), (23, 5624266), (38, 3404161), (46, 2812133), (89, 1453462), (178, 726731), (437, 296014), (874, 148007), (1663, 77786), (1691, 76498), (2047, 63194), (3326, 38893), (3382, 38249), (4094, 31597)]