28656992

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{757}}^1$

素因数の和:800

約数の個数: 72

約数和(自身を含む): 69911856

約数和(自身を除く): 41254864

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 169, 182, 208, 224, 338, 364, 416, 676, 728, 757, 1183, 1352, 1456, 1514, 2366, 2704, 2912, 3028, 4732, 5299, 5408, 6056, 9464, 9841, 10598, 12112, 18928, 19682, 21196, 24224, 37856, 39364, 42392, 68887, 78728, 84784, 127933, 137774, 157456, 169568, 255866, 275548, 314912, 511732, 551096, 895531, 1023464, 1102192, 1791062, 2046928, 2204384, 3582124, 4093856, 7164248, 14328496, 28656992]

約数ペア:

[(1, 28656992), (2, 14328496), (4, 7164248), (7, 4093856), (8, 3582124), (13, 2204384), (14, 2046928), (16, 1791062), (26, 1102192), (28, 1023464), (32, 895531), (52, 551096), (56, 511732), (91, 314912), (104, 275548), (112, 255866), (169, 169568), (182, 157456), (208, 137774), (224, 127933), (338, 84784), (364, 78728), (416, 68887), (676, 42392), (728, 39364), (757, 37856), (1183, 24224), (1352, 21196), (1456, 19682), (1514, 18928), (2366, 12112), (2704, 10598), (2912, 9841), (3028, 9464), (4732, 6056), (5299, 5408)]