256492512

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{28729}}^1$

素因数の和:28776

約数の個数: 72

約数和(自身を含む): 752955840

約数和(自身を除く): 496463328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1116, 1488, 2232, 2976, 4464, 8928, 28729, 57458, 86187, 114916, 172374, 229832, 258561, 344748, 459664, 517122, 689496, 890599, 919328, 1034244, 1378992, 1781198, 2068488, 2671797, 2757984, 3562396, 4136976, 5343594, 7124792, 8015391, 8273952, 10687188, 14249584, 16030782, 21374376, 28499168, 32061564, 42748752, 64123128, 85497504, 128246256, 256492512]

約数ペア:

[(1, 256492512), (2, 128246256), (3, 85497504), (4, 64123128), (6, 42748752), (8, 32061564), (9, 28499168), (12, 21374376), (16, 16030782), (18, 14249584), (24, 10687188), (31, 8273952), (32, 8015391), (36, 7124792), (48, 5343594), (62, 4136976), (72, 3562396), (93, 2757984), (96, 2671797), (124, 2068488), (144, 1781198), (186, 1378992), (248, 1034244), (279, 919328), (288, 890599), (372, 689496), (496, 517122), (558, 459664), (744, 344748), (992, 258561), (1116, 229832), (1488, 172374), (2232, 114916), (2976, 86187), (4464, 57458), (8928, 28729)]