257831496

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{275461}}^1$

素因数の和:275486

約数の個数: 48

約数和(自身を含む): 752011260

約数和(自身を除く): 494179764

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 275461, 550922, 826383, 1101844, 1652766, 2203688, 2479149, 3305532, 3580993, 4958298, 6611064, 7161986, 9916596, 10742979, 14323972, 19833192, 21485958, 28647944, 32228937, 42971916, 64457874, 85943832, 128915748, 257831496]

約数ペア:

[(1, 257831496), (2, 128915748), (3, 85943832), (4, 64457874), (6, 42971916), (8, 32228937), (9, 28647944), (12, 21485958), (13, 19833192), (18, 14323972), (24, 10742979), (26, 9916596), (36, 7161986), (39, 6611064), (52, 4958298), (72, 3580993), (78, 3305532), (104, 2479149), (117, 2203688), (156, 1652766), (234, 1101844), (312, 826383), (468, 550922), (936, 275461)]