78019864

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 166219200

約数和(自身を除く): 88199336

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 169, 184, 193, 299, 338, 386, 598, 676, 772, 1196, 1352, 1544, 2197, 2392, 2509, 3887, 4394, 4439, 5018, 7774, 8788, 8878, 10036, 15548, 17576, 17756, 20072, 31096, 32617, 35512, 50531, 57707, 65234, 101062, 115414, 130468, 202124, 230828, 260936, 404248, 424021, 461656, 750191, 848042, 1500382, 1696084, 3000764, 3392168, 6001528, 9752483, 19504966, 39009932, 78019864]

約数ペア:

[(1, 78019864), (2, 39009932), (4, 19504966), (8, 9752483), (13, 6001528), (23, 3392168), (26, 3000764), (46, 1696084), (52, 1500382), (92, 848042), (104, 750191), (169, 461656), (184, 424021), (193, 404248), (299, 260936), (338, 230828), (386, 202124), (598, 130468), (676, 115414), (772, 101062), (1196, 65234), (1352, 57707), (1544, 50531), (2197, 35512), (2392, 32617), (2509, 31096), (3887, 20072), (4394, 17756), (4439, 17576), (5018, 15548), (7774, 10036), (8788, 8878)]