221836888

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{661}}^1$

素因数の和:1148

約数の個数: 64

約数和(自身を含む): 513817920

約数和(自身を除く): 291981032

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 461, 661, 728, 922, 1322, 1844, 2644, 3227, 3688, 4627, 5288, 5993, 6454, 8593, 9254, 11986, 12908, 17186, 18508, 23972, 25816, 34372, 37016, 41951, 47944, 60151, 68744, 83902, 120302, 167804, 240604, 304721, 335608, 481208, 609442, 1218884, 2133047, 2437768, 3961373, 4266094, 7922746, 8532188, 15845492, 17064376, 27729611, 31690984, 55459222, 110918444, 221836888]

約数ペア:

[(1, 221836888), (2, 110918444), (4, 55459222), (7, 31690984), (8, 27729611), (13, 17064376), (14, 15845492), (26, 8532188), (28, 7922746), (52, 4266094), (56, 3961373), (91, 2437768), (104, 2133047), (182, 1218884), (364, 609442), (461, 481208), (661, 335608), (728, 304721), (922, 240604), (1322, 167804), (1844, 120302), (2644, 83902), (3227, 68744), (3688, 60151), (4627, 47944), (5288, 41951), (5993, 37016), (6454, 34372), (8593, 25816), (9254, 23972), (11986, 18508), (12908, 17186)]