420784

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2$

素因数の和:62

約数の個数: 60

約数和(自身を含む): 1065904

約数和(自身を除く): 645120

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 68, 91, 104, 112, 119, 136, 182, 208, 221, 238, 272, 289, 364, 442, 476, 578, 728, 884, 952, 1156, 1456, 1547, 1768, 1904, 2023, 2312, 3094, 3536, 3757, 4046, 4624, 6188, 7514, 8092, 12376, 15028, 16184, 24752, 26299, 30056, 32368, 52598, 60112, 105196, 210392, 420784]

約数ペア:

[(1, 420784), (2, 210392), (4, 105196), (7, 60112), (8, 52598), (13, 32368), (14, 30056), (16, 26299), (17, 24752), (26, 16184), (28, 15028), (34, 12376), (52, 8092), (56, 7514), (68, 6188), (91, 4624), (104, 4046), (112, 3757), (119, 3536), (136, 3094), (182, 2312), (208, 2023), (221, 1904), (238, 1768), (272, 1547), (289, 1456), (364, 1156), (442, 952), (476, 884), (578, 728)]