253408012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{461}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 539508816

約数和(自身を除く): 286100804

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 124, 143, 286, 341, 403, 461, 572, 682, 806, 922, 961, 1364, 1612, 1844, 1922, 3844, 4433, 5071, 5993, 8866, 10142, 10571, 11986, 12493, 14291, 17732, 20284, 21142, 23972, 24986, 28582, 42284, 49972, 57164, 65923, 131846, 137423, 157201, 185783, 263692, 274846, 314402, 371566, 443021, 549692, 628804, 743132, 886042, 1772084, 2043613, 4087226, 4873231, 5759273, 8174452, 9746462, 11518546, 19492924, 23037092, 63352003, 126704006, 253408012]

約数ペア:

[(1, 253408012), (2, 126704006), (4, 63352003), (11, 23037092), (13, 19492924), (22, 11518546), (26, 9746462), (31, 8174452), (44, 5759273), (52, 4873231), (62, 4087226), (124, 2043613), (143, 1772084), (286, 886042), (341, 743132), (403, 628804), (461, 549692), (572, 443021), (682, 371566), (806, 314402), (922, 274846), (961, 263692), (1364, 185783), (1612, 157201), (1844, 137423), (1922, 131846), (3844, 65923), (4433, 57164), (5071, 49972), (5993, 42284), (8866, 28582), (10142, 24986), (10571, 23972), (11986, 21142), (12493, 20284), (14291, 17732)]