215927778

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{863}}^1$

素因数の和:1119

約数の個数: 64

約数和(自身を含む): 501645312

約数和(自身を除く): 285717534

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 102, 187, 223, 374, 446, 561, 669, 863, 1122, 1338, 1726, 2453, 2589, 3791, 4906, 5178, 7359, 7582, 9493, 11373, 14671, 14718, 18986, 22746, 28479, 29342, 41701, 44013, 56958, 83402, 88026, 125103, 161381, 192449, 250206, 322762, 384898, 484143, 577347, 968286, 1154694, 2116939, 3271633, 4233878, 6350817, 6543266, 9814899, 12701634, 19629798, 35987963, 71975926, 107963889, 215927778]

約数ペア:

[(1, 215927778), (2, 107963889), (3, 71975926), (6, 35987963), (11, 19629798), (17, 12701634), (22, 9814899), (33, 6543266), (34, 6350817), (51, 4233878), (66, 3271633), (102, 2116939), (187, 1154694), (223, 968286), (374, 577347), (446, 484143), (561, 384898), (669, 322762), (863, 250206), (1122, 192449), (1338, 161381), (1726, 125103), (2453, 88026), (2589, 83402), (3791, 56958), (4906, 44013), (5178, 41701), (7359, 29342), (7582, 28479), (9493, 22746), (11373, 18986), (14671, 14718)]