505581232

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{881}}^1$

素因数の和:1022

約数の個数: 80

約数和(自身を含む): 1102429440

約数和(自身を除く): 596848208

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 89, 104, 124, 178, 208, 248, 356, 403, 496, 712, 806, 881, 1157, 1424, 1612, 1762, 2314, 2759, 3224, 3524, 4628, 5518, 6448, 7048, 9256, 11036, 11453, 14096, 18512, 22072, 22906, 27311, 35867, 44144, 45812, 54622, 71734, 78409, 91624, 109244, 143468, 156818, 183248, 218488, 286936, 313636, 355043, 436976, 573872, 627272, 710086, 1019317, 1254544, 1420172, 2038634, 2430679, 2840344, 4077268, 4861358, 5680688, 8154536, 9722716, 16309072, 19445432, 31598827, 38890864, 63197654, 126395308, 252790616, 505581232]

約数ペア:

[(1, 505581232), (2, 252790616), (4, 126395308), (8, 63197654), (13, 38890864), (16, 31598827), (26, 19445432), (31, 16309072), (52, 9722716), (62, 8154536), (89, 5680688), (104, 4861358), (124, 4077268), (178, 2840344), (208, 2430679), (248, 2038634), (356, 1420172), (403, 1254544), (496, 1019317), (712, 710086), (806, 627272), (881, 573872), (1157, 436976), (1424, 355043), (1612, 313636), (1762, 286936), (2314, 218488), (2759, 183248), (3224, 156818), (3524, 143468), (4628, 109244), (5518, 91624), (6448, 78409), (7048, 71734), (9256, 54622), (11036, 45812), (11453, 44144), (14096, 35867), (18512, 27311), (22072, 22906)]