817804780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{6823}}^1$

素因数の和:7306

約数の個数: 48

約数和(自身を含む): 1853780544

約数和(自身を除く): 1035975764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 461, 922, 1844, 2305, 4610, 5993, 6823, 9220, 11986, 13646, 23972, 27292, 29965, 34115, 59930, 68230, 88699, 119860, 136460, 177398, 354796, 443495, 886990, 1773980, 3145403, 6290806, 12581612, 15727015, 31454030, 40890239, 62908060, 81780478, 163560956, 204451195, 408902390, 817804780]

約数ペア:

[(1, 817804780), (2, 408902390), (4, 204451195), (5, 163560956), (10, 81780478), (13, 62908060), (20, 40890239), (26, 31454030), (52, 15727015), (65, 12581612), (130, 6290806), (260, 3145403), (461, 1773980), (922, 886990), (1844, 443495), (2305, 354796), (4610, 177398), (5993, 136460), (6823, 119860), (9220, 88699), (11986, 68230), (13646, 59930), (23972, 34115), (27292, 29965)]