128361728

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{577}}^1$

素因数の和:683

約数の個数: 72

約数和(自身を含む): 283543680

約数和(自身を除く): 155181952

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 79, 88, 128, 158, 176, 256, 316, 352, 577, 632, 704, 869, 1154, 1264, 1408, 1738, 2308, 2528, 2816, 3476, 4616, 5056, 6347, 6952, 9232, 10112, 12694, 13904, 18464, 20224, 25388, 27808, 36928, 45583, 50776, 55616, 73856, 91166, 101552, 111232, 147712, 182332, 203104, 222464, 364664, 406208, 501413, 729328, 812416, 1002826, 1458656, 1624832, 2005652, 2917312, 4011304, 5834624, 8022608, 11669248, 16045216, 32090432, 64180864, 128361728]

約数ペア:

[(1, 128361728), (2, 64180864), (4, 32090432), (8, 16045216), (11, 11669248), (16, 8022608), (22, 5834624), (32, 4011304), (44, 2917312), (64, 2005652), (79, 1624832), (88, 1458656), (128, 1002826), (158, 812416), (176, 729328), (256, 501413), (316, 406208), (352, 364664), (577, 222464), (632, 203104), (704, 182332), (869, 147712), (1154, 111232), (1264, 101552), (1408, 91166), (1738, 73856), (2308, 55616), (2528, 50776), (2816, 45583), (3476, 36928), (4616, 27808), (5056, 25388), (6347, 20224), (6952, 18464), (9232, 13904), (10112, 12694)]