1640785524

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{977}}^1\times {\mathrm{19993}}^1$

素因数の和:20984

約数の個数: 48

約数和(自身を含む): 4380125568

約数和(自身を除く): 2739340044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 977, 1954, 2931, 3908, 5862, 6839, 11724, 13678, 19993, 20517, 27356, 39986, 41034, 59979, 79972, 82068, 119958, 139951, 239916, 279902, 419853, 559804, 839706, 1679412, 19533161, 39066322, 58599483, 78132644, 117198966, 136732127, 234397932, 273464254, 410196381, 546928508, 820392762, 1640785524]

約数ペア:

[(1, 1640785524), (2, 820392762), (3, 546928508), (4, 410196381), (6, 273464254), (7, 234397932), (12, 136732127), (14, 117198966), (21, 78132644), (28, 58599483), (42, 39066322), (84, 19533161), (977, 1679412), (1954, 839706), (2931, 559804), (3908, 419853), (5862, 279902), (6839, 239916), (11724, 139951), (13678, 119958), (19993, 82068), (20517, 79972), (27356, 59979), (39986, 41034)]