778849552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2293}}^1$

素因数の和:2408

約数の個数: 80

約数和(自身を含む): 1720389888

約数和(自身を除く): 941540336

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 71, 92, 104, 142, 184, 208, 284, 299, 368, 568, 598, 923, 1136, 1196, 1633, 1846, 2293, 2392, 3266, 3692, 4586, 4784, 6532, 7384, 9172, 13064, 14768, 18344, 21229, 26128, 29809, 36688, 42458, 52739, 59618, 84916, 105478, 119236, 162803, 169832, 210956, 238472, 325606, 339664, 421912, 476944, 651212, 685607, 843824, 1302424, 1371214, 2116439, 2604848, 2742428, 3744469, 4232878, 5484856, 7488938, 8465756, 10969712, 14977876, 16931512, 29955752, 33863024, 48678097, 59911504, 97356194, 194712388, 389424776, 778849552]

約数ペア:

[(1, 778849552), (2, 389424776), (4, 194712388), (8, 97356194), (13, 59911504), (16, 48678097), (23, 33863024), (26, 29955752), (46, 16931512), (52, 14977876), (71, 10969712), (92, 8465756), (104, 7488938), (142, 5484856), (184, 4232878), (208, 3744469), (284, 2742428), (299, 2604848), (368, 2116439), (568, 1371214), (598, 1302424), (923, 843824), (1136, 685607), (1196, 651212), (1633, 476944), (1846, 421912), (2293, 339664), (2392, 325606), (3266, 238472), (3692, 210956), (4586, 169832), (4784, 162803), (6532, 119236), (7384, 105478), (9172, 84916), (13064, 59618), (14768, 52739), (18344, 42458), (21229, 36688), (26128, 29809)]