1279689964

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1\times {\mathrm{2087}}^1$

素因数の和:2518

約数の個数: 48

約数和(自身を含む): 2609832960

約数和(自身を除く): 1330142996

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 359, 427, 718, 854, 1436, 1708, 2087, 2513, 4174, 5026, 8348, 10052, 14609, 21899, 29218, 43798, 58436, 87596, 127307, 153293, 254614, 306586, 509228, 613172, 749233, 891149, 1498466, 1782298, 2996932, 3564596, 5244631, 10489262, 20978524, 45703213, 91406426, 182812852, 319922491, 639844982, 1279689964]

約数ペア:

[(1, 1279689964), (2, 639844982), (4, 319922491), (7, 182812852), (14, 91406426), (28, 45703213), (61, 20978524), (122, 10489262), (244, 5244631), (359, 3564596), (427, 2996932), (718, 1782298), (854, 1498466), (1436, 891149), (1708, 749233), (2087, 613172), (2513, 509228), (4174, 306586), (5026, 254614), (8348, 153293), (10052, 127307), (14609, 87596), (21899, 58436), (29218, 43798)]