13131104

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 72

約数和(自身を含む): 31029264

約数和(自身を除く): 17898160

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 61, 62, 112, 122, 124, 217, 224, 244, 248, 427, 434, 488, 496, 854, 868, 961, 976, 992, 1708, 1736, 1891, 1922, 1952, 3416, 3472, 3782, 3844, 6727, 6832, 6944, 7564, 7688, 13237, 13454, 13664, 15128, 15376, 26474, 26908, 30256, 30752, 52948, 53816, 58621, 60512, 105896, 107632, 117242, 211792, 215264, 234484, 410347, 423584, 468968, 820694, 937936, 1641388, 1875872, 3282776, 6565552, 13131104]

約数ペア:

[(1, 13131104), (2, 6565552), (4, 3282776), (7, 1875872), (8, 1641388), (14, 937936), (16, 820694), (28, 468968), (31, 423584), (32, 410347), (56, 234484), (61, 215264), (62, 211792), (112, 117242), (122, 107632), (124, 105896), (217, 60512), (224, 58621), (244, 53816), (248, 52948), (427, 30752), (434, 30256), (488, 26908), (496, 26474), (854, 15376), (868, 15128), (961, 13664), (976, 13454), (992, 13237), (1708, 7688), (1736, 7564), (1891, 6944), (1922, 6832), (1952, 6727), (3416, 3844), (3472, 3782)]