199902508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{461}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 391184640

約数和(自身を除く): 191282132

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 269, 403, 461, 538, 806, 922, 1076, 1612, 1844, 3497, 5993, 6994, 8339, 11986, 13988, 14291, 16678, 23972, 28582, 33356, 57164, 108407, 124009, 185783, 216814, 248018, 371566, 433628, 496036, 743132, 1612117, 3224234, 3844279, 6448468, 7688558, 15377116, 49975627, 99951254, 199902508]

約数ペア:

[(1, 199902508), (2, 99951254), (4, 49975627), (13, 15377116), (26, 7688558), (31, 6448468), (52, 3844279), (62, 3224234), (124, 1612117), (269, 743132), (403, 496036), (461, 433628), (538, 371566), (806, 248018), (922, 216814), (1076, 185783), (1612, 124009), (1844, 108407), (3497, 57164), (5993, 33356), (6994, 28582), (8339, 23972), (11986, 16678), (13988, 14291)]