1640648746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2467}}^1$

素因数の和:2579

約数の個数: 64

約数和(自身を含む): 2971077120

約数和(自身を除く): 1330428374

約数列:

[1, 2, 11, 19, 22, 37, 38, 43, 74, 86, 209, 407, 418, 473, 703, 814, 817, 946, 1406, 1591, 1634, 2467, 3182, 4934, 7733, 8987, 15466, 17501, 17974, 27137, 30229, 35002, 46873, 54274, 60458, 91279, 93746, 106081, 182558, 212162, 332519, 515603, 665038, 1004069, 1031206, 1166891, 1734301, 2008138, 2015539, 2333782, 3468602, 3924997, 4031078, 7849994, 19077311, 22170929, 38154622, 43174967, 44341858, 74574943, 86349934, 149149886, 820324373, 1640648746]

約数ペア:

[(1, 1640648746), (2, 820324373), (11, 149149886), (19, 86349934), (22, 74574943), (37, 44341858), (38, 43174967), (43, 38154622), (74, 22170929), (86, 19077311), (209, 7849994), (407, 4031078), (418, 3924997), (473, 3468602), (703, 2333782), (814, 2015539), (817, 2008138), (946, 1734301), (1406, 1166891), (1591, 1031206), (1634, 1004069), (2467, 665038), (3182, 515603), (4934, 332519), (7733, 212162), (8987, 182558), (15466, 106081), (17501, 93746), (17974, 91279), (27137, 60458), (30229, 54274), (35002, 46873)]