86369972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 177430176

約数和(自身を除く): 91060204

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 76, 86, 107, 172, 214, 247, 361, 428, 494, 559, 722, 817, 988, 1118, 1391, 1444, 1634, 2033, 2236, 2782, 3268, 4066, 4601, 4693, 5564, 8132, 9202, 9386, 10621, 15523, 18404, 18772, 21242, 26429, 31046, 38627, 42484, 52858, 59813, 62092, 77254, 87419, 105716, 119626, 154508, 174838, 201799, 239252, 349676, 403598, 502151, 807196, 1004302, 1136447, 1660961, 2008604, 2272894, 3321922, 4545788, 6643844, 21592493, 43184986, 86369972]

約数ペア:

[(1, 86369972), (2, 43184986), (4, 21592493), (13, 6643844), (19, 4545788), (26, 3321922), (38, 2272894), (43, 2008604), (52, 1660961), (76, 1136447), (86, 1004302), (107, 807196), (172, 502151), (214, 403598), (247, 349676), (361, 239252), (428, 201799), (494, 174838), (559, 154508), (722, 119626), (817, 105716), (988, 87419), (1118, 77254), (1391, 62092), (1444, 59813), (1634, 52858), (2033, 42484), (2236, 38627), (2782, 31046), (3268, 26429), (4066, 21242), (4601, 18772), (4693, 18404), (5564, 15523), (8132, 10621), (9202, 9386)]