639366966

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{16747}}^1$

素因数の和:16866

約数の個数: 64

約数和(自身を含む): 1639964160

約数和(自身を除く): 1000597194

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 101, 126, 189, 202, 303, 378, 606, 707, 909, 1414, 1818, 2121, 2727, 4242, 5454, 6363, 12726, 16747, 19089, 33494, 38178, 50241, 100482, 117229, 150723, 234458, 301446, 351687, 452169, 703374, 904338, 1055061, 1691447, 2110122, 3165183, 3382894, 5074341, 6330366, 10148682, 11840129, 15223023, 23680258, 30446046, 35520387, 45669069, 71040774, 91338138, 106561161, 213122322, 319683483, 639366966]

約数ペア:

[(1, 639366966), (2, 319683483), (3, 213122322), (6, 106561161), (7, 91338138), (9, 71040774), (14, 45669069), (18, 35520387), (21, 30446046), (27, 23680258), (42, 15223023), (54, 11840129), (63, 10148682), (101, 6330366), (126, 5074341), (189, 3382894), (202, 3165183), (303, 2110122), (378, 1691447), (606, 1055061), (707, 904338), (909, 703374), (1414, 452169), (1818, 351687), (2121, 301446), (2727, 234458), (4242, 150723), (5454, 117229), (6363, 100482), (12726, 50241), (16747, 38178), (19089, 33494)]