208021918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{599}}^1$

素因数の和:689

約数の個数: 48

約数和(自身を含む): 364845600

約数和(自身を除く): 156823682

約数列:

[1, 2, 13, 19, 26, 37, 38, 74, 247, 361, 481, 494, 599, 703, 722, 962, 1198, 1406, 4693, 7787, 9139, 9386, 11381, 13357, 15574, 18278, 22163, 22762, 26714, 44326, 147953, 173641, 216239, 288119, 295906, 347282, 421097, 432478, 576238, 842194, 2811107, 5474261, 5622214, 8000843, 10948522, 16001686, 104010959, 208021918]

約数ペア:

[(1, 208021918), (2, 104010959), (13, 16001686), (19, 10948522), (26, 8000843), (37, 5622214), (38, 5474261), (74, 2811107), (247, 842194), (361, 576238), (481, 432478), (494, 421097), (599, 347282), (703, 295906), (722, 288119), (962, 216239), (1198, 173641), (1406, 147953), (4693, 44326), (7787, 26714), (9139, 22762), (9386, 22163), (11381, 18278), (13357, 15574)]