212920348964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1\times {\mathrm{121181}}^1$

素因数の和:121644

約数の個数: 48

約数和(自身を含む): 399706708800

約数和(自身を除く): 186786359836

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 379, 758, 1159, 1516, 2318, 4636, 7201, 14402, 23119, 28804, 46238, 92476, 121181, 242362, 439261, 484724, 878522, 1757044, 2302439, 4604878, 7392041, 9209756, 14784082, 29568164, 45927599, 91855198, 140448779, 183710396, 280897558, 561795116, 872624381, 1745248762, 2801583539, 3490497524, 5603167078, 11206334156, 53230087241, 106460174482, 212920348964]

約数ペア:

[(1, 212920348964), (2, 106460174482), (4, 53230087241), (19, 11206334156), (38, 5603167078), (61, 3490497524), (76, 2801583539), (122, 1745248762), (244, 872624381), (379, 561795116), (758, 280897558), (1159, 183710396), (1516, 140448779), (2318, 91855198), (4636, 45927599), (7201, 29568164), (14402, 14784082), (23119, 9209756), (28804, 7392041), (46238, 4604878), (92476, 2302439), (121181, 1757044), (242362, 878522), (439261, 484724)]