428877756

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{211}}^1\times {\mathrm{431}}^1$

素因数の和:783

約数の個数: 72

約数和(自身を含む): 1100107008

約数和(自身を除く): 671229252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 211, 262, 393, 422, 431, 524, 633, 786, 844, 862, 1179, 1266, 1293, 1572, 1724, 1899, 2358, 2532, 2586, 3798, 3879, 4716, 5172, 7596, 7758, 15516, 27641, 55282, 56461, 82923, 90941, 110564, 112922, 165846, 169383, 181882, 225844, 248769, 272823, 331692, 338766, 363764, 497538, 508149, 545646, 677532, 818469, 995076, 1016298, 1091292, 1636938, 2032596, 3273876, 11913271, 23826542, 35739813, 47653084, 71479626, 107219439, 142959252, 214438878, 428877756]

約数ペア:

[(1, 428877756), (2, 214438878), (3, 142959252), (4, 107219439), (6, 71479626), (9, 47653084), (12, 35739813), (18, 23826542), (36, 11913271), (131, 3273876), (211, 2032596), (262, 1636938), (393, 1091292), (422, 1016298), (431, 995076), (524, 818469), (633, 677532), (786, 545646), (844, 508149), (862, 497538), (1179, 363764), (1266, 338766), (1293, 331692), (1572, 272823), (1724, 248769), (1899, 225844), (2358, 181882), (2532, 169383), (2586, 165846), (3798, 112922), (3879, 110564), (4716, 90941), (5172, 82923), (7596, 56461), (7758, 55282), (15516, 27641)]