66408784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8629}}^1$

素因数の和:8687

約数の個数: 40

約数和(自身を含む): 142325960

約数和(自身を除く): 75917176

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 3848, 7696, 8629, 17258, 34516, 69032, 112177, 138064, 224354, 319273, 448708, 638546, 897416, 1277092, 1794832, 2554184, 4150549, 5108368, 8301098, 16602196, 33204392, 66408784]

約数ペア:

[(1, 66408784), (2, 33204392), (4, 16602196), (8, 8301098), (13, 5108368), (16, 4150549), (26, 2554184), (37, 1794832), (52, 1277092), (74, 897416), (104, 638546), (148, 448708), (208, 319273), (296, 224354), (481, 138064), (592, 112177), (962, 69032), (1924, 34516), (3848, 17258), (7696, 8629)]