205536628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{661}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 405715968

約数和(自身を除く): 200179340

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 191, 382, 407, 661, 764, 814, 1322, 1628, 2101, 2644, 4202, 7067, 7271, 8404, 14134, 14542, 24457, 28268, 29084, 48914, 77737, 97828, 126251, 155474, 252502, 269027, 310948, 505004, 538054, 1076108, 1388761, 2777522, 4671287, 5555044, 9342574, 18685148, 51384157, 102768314, 205536628]

約数ペア:

[(1, 205536628), (2, 102768314), (4, 51384157), (11, 18685148), (22, 9342574), (37, 5555044), (44, 4671287), (74, 2777522), (148, 1388761), (191, 1076108), (382, 538054), (407, 505004), (661, 310948), (764, 269027), (814, 252502), (1322, 155474), (1628, 126251), (2101, 97828), (2644, 77737), (4202, 48914), (7067, 29084), (7271, 28268), (8404, 24457), (14134, 14542)]