51981104

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1187}}^1$

素因数の和:1242

約数の個数: 80

約数和(自身を含む): 127277568

約数和(自身を除く): 75296464

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 34, 46, 56, 68, 92, 112, 119, 136, 161, 184, 238, 272, 322, 368, 391, 476, 644, 782, 952, 1187, 1288, 1564, 1904, 2374, 2576, 2737, 3128, 4748, 5474, 6256, 8309, 9496, 10948, 16618, 18992, 20179, 21896, 27301, 33236, 40358, 43792, 54602, 66472, 80716, 109204, 132944, 141253, 161432, 191107, 218408, 282506, 322864, 382214, 436816, 464117, 565012, 764428, 928234, 1130024, 1528856, 1856468, 2260048, 3057712, 3248819, 3712936, 6497638, 7425872, 12995276, 25990552, 51981104]

約数ペア:

[(1, 51981104), (2, 25990552), (4, 12995276), (7, 7425872), (8, 6497638), (14, 3712936), (16, 3248819), (17, 3057712), (23, 2260048), (28, 1856468), (34, 1528856), (46, 1130024), (56, 928234), (68, 764428), (92, 565012), (112, 464117), (119, 436816), (136, 382214), (161, 322864), (184, 282506), (238, 218408), (272, 191107), (322, 161432), (368, 141253), (391, 132944), (476, 109204), (644, 80716), (782, 66472), (952, 54602), (1187, 43792), (1288, 40358), (1564, 33236), (1904, 27301), (2374, 21896), (2576, 20179), (2737, 18992), (3128, 16618), (4748, 10948), (5474, 9496), (6256, 8309)]