249627872

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1489}}^1$

素因数の和:1556

約数の個数: 72

約数和(自身を含む): 549702720

約数和(自身を除く): 300074848

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 169, 208, 248, 338, 403, 416, 496, 676, 806, 992, 1352, 1489, 1612, 2704, 2978, 3224, 5239, 5408, 5956, 6448, 10478, 11912, 12896, 19357, 20956, 23824, 38714, 41912, 46159, 47648, 77428, 83824, 92318, 154856, 167648, 184636, 251641, 309712, 369272, 503282, 600067, 619424, 738544, 1006564, 1200134, 1477088, 2013128, 2400268, 4026256, 4800536, 7800871, 8052512, 9601072, 15601742, 19202144, 31203484, 62406968, 124813936, 249627872]

約数ペア:

[(1, 249627872), (2, 124813936), (4, 62406968), (8, 31203484), (13, 19202144), (16, 15601742), (26, 9601072), (31, 8052512), (32, 7800871), (52, 4800536), (62, 4026256), (104, 2400268), (124, 2013128), (169, 1477088), (208, 1200134), (248, 1006564), (338, 738544), (403, 619424), (416, 600067), (496, 503282), (676, 369272), (806, 309712), (992, 251641), (1352, 184636), (1489, 167648), (1612, 154856), (2704, 92318), (2978, 83824), (3224, 77428), (5239, 47648), (5408, 46159), (5956, 41912), (6448, 38714), (10478, 23824), (11912, 20956), (12896, 19357)]