728728

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2$

素因数の和:57

約数の個数: 72

約数和(自身を含む): 1877580

約数和(自身を除く): 1148852

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 49, 52, 56, 77, 88, 91, 98, 104, 143, 154, 169, 182, 196, 286, 308, 338, 364, 392, 539, 572, 616, 637, 676, 728, 1001, 1078, 1144, 1183, 1274, 1352, 1859, 2002, 2156, 2366, 2548, 3718, 4004, 4312, 4732, 5096, 7007, 7436, 8008, 8281, 9464, 13013, 14014, 14872, 16562, 26026, 28028, 33124, 52052, 56056, 66248, 91091, 104104, 182182, 364364, 728728]

約数ペア:

[(1, 728728), (2, 364364), (4, 182182), (7, 104104), (8, 91091), (11, 66248), (13, 56056), (14, 52052), (22, 33124), (26, 28028), (28, 26026), (44, 16562), (49, 14872), (52, 14014), (56, 13013), (77, 9464), (88, 8281), (91, 8008), (98, 7436), (104, 7007), (143, 5096), (154, 4732), (169, 4312), (182, 4004), (196, 3718), (286, 2548), (308, 2366), (338, 2156), (364, 2002), (392, 1859), (539, 1352), (572, 1274), (616, 1183), (637, 1144), (676, 1078), (728, 1001)]