55439874

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:524

約数の個数: 72

約数和(自身を含む): 140849280

約数和(自身を除く): 85409406

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 239, 263, 294, 441, 478, 526, 717, 789, 882, 1434, 1578, 1673, 1841, 2151, 2367, 3346, 3682, 4302, 4734, 5019, 5523, 10038, 11046, 11711, 12887, 15057, 16569, 23422, 25774, 30114, 33138, 35133, 38661, 62857, 70266, 77322, 105399, 115983, 125714, 188571, 210798, 231966, 377142, 439999, 565713, 879998, 1131426, 1319997, 2639994, 3079993, 3959991, 6159986, 7919982, 9239979, 18479958, 27719937, 55439874]

約数ペア:

[(1, 55439874), (2, 27719937), (3, 18479958), (6, 9239979), (7, 7919982), (9, 6159986), (14, 3959991), (18, 3079993), (21, 2639994), (42, 1319997), (49, 1131426), (63, 879998), (98, 565713), (126, 439999), (147, 377142), (239, 231966), (263, 210798), (294, 188571), (441, 125714), (478, 115983), (526, 105399), (717, 77322), (789, 70266), (882, 62857), (1434, 38661), (1578, 35133), (1673, 33138), (1841, 30114), (2151, 25774), (2367, 23422), (3346, 16569), (3682, 15057), (4302, 12887), (4734, 11711), (5019, 11046), (5523, 10038)]