131845376

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 286303080

約数和(自身を除く): 154457704

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 173, 208, 229, 256, 346, 416, 458, 692, 832, 916, 1384, 1664, 1832, 2249, 2768, 2977, 3328, 3664, 4498, 5536, 5954, 7328, 8996, 11072, 11908, 14656, 17992, 22144, 23816, 29312, 35984, 39617, 44288, 47632, 58624, 71968, 79234, 95264, 143936, 158468, 190528, 287872, 316936, 381056, 515021, 575744, 633872, 762112, 1030042, 1267744, 2060084, 2535488, 4120168, 5070976, 8240336, 10141952, 16480672, 32961344, 65922688, 131845376]

約数ペア:

[(1, 131845376), (2, 65922688), (4, 32961344), (8, 16480672), (13, 10141952), (16, 8240336), (26, 5070976), (32, 4120168), (52, 2535488), (64, 2060084), (104, 1267744), (128, 1030042), (173, 762112), (208, 633872), (229, 575744), (256, 515021), (346, 381056), (416, 316936), (458, 287872), (692, 190528), (832, 158468), (916, 143936), (1384, 95264), (1664, 79234), (1832, 71968), (2249, 58624), (2768, 47632), (2977, 44288), (3328, 39617), (3664, 35984), (4498, 29312), (5536, 23816), (5954, 22144), (7328, 17992), (8996, 14656), (11072, 11908)]