7872306408

素因数分解:

$2^3\times 3^4\times {\mathrm{31}}^1\times {\mathrm{391891}}^1$

素因数の和:391940

約数の個数: 80

約数和(自身を含む): 22761087360

約数和(自身を除く): 14888780952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 81, 93, 108, 124, 162, 186, 216, 248, 279, 324, 372, 558, 648, 744, 837, 1116, 1674, 2232, 2511, 3348, 5022, 6696, 10044, 20088, 391891, 783782, 1175673, 1567564, 2351346, 3135128, 3527019, 4702692, 7054038, 9405384, 10581057, 12148621, 14108076, 21162114, 24297242, 28216152, 31743171, 36445863, 42324228, 48594484, 63486342, 72891726, 84648456, 97188968, 109337589, 126972684, 145783452, 218675178, 253945368, 291566904, 328012767, 437350356, 656025534, 874700712, 984038301, 1312051068, 1968076602, 2624102136, 3936153204, 7872306408]

約数ペア:

[(1, 7872306408), (2, 3936153204), (3, 2624102136), (4, 1968076602), (6, 1312051068), (8, 984038301), (9, 874700712), (12, 656025534), (18, 437350356), (24, 328012767), (27, 291566904), (31, 253945368), (36, 218675178), (54, 145783452), (62, 126972684), (72, 109337589), (81, 97188968), (93, 84648456), (108, 72891726), (124, 63486342), (162, 48594484), (186, 42324228), (216, 36445863), (248, 31743171), (279, 28216152), (324, 24297242), (372, 21162114), (558, 14108076), (648, 12148621), (744, 10581057), (837, 9405384), (1116, 7054038), (1674, 4702692), (2232, 3527019), (2511, 3135128), (3348, 2351346), (5022, 1567564), (6696, 1175673), (10044, 783782), (20088, 391891)]