291446168

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1867}}^1$

素因数の和:1984

約数の個数: 64

約数和(自身を含む): 627648000

約数和(自身を除く): 336201832

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 79, 104, 152, 158, 247, 316, 494, 632, 988, 1027, 1501, 1867, 1976, 2054, 3002, 3734, 4108, 6004, 7468, 8216, 12008, 14936, 19513, 24271, 35473, 39026, 48542, 70946, 78052, 97084, 141892, 147493, 156104, 194168, 283784, 294986, 461149, 589972, 922298, 1179944, 1844596, 1917409, 2802367, 3689192, 3834818, 5604734, 7669636, 11209468, 15339272, 22418936, 36430771, 72861542, 145723084, 291446168]

約数ペア:

[(1, 291446168), (2, 145723084), (4, 72861542), (8, 36430771), (13, 22418936), (19, 15339272), (26, 11209468), (38, 7669636), (52, 5604734), (76, 3834818), (79, 3689192), (104, 2802367), (152, 1917409), (158, 1844596), (247, 1179944), (316, 922298), (494, 589972), (632, 461149), (988, 294986), (1027, 283784), (1501, 194168), (1867, 156104), (1976, 147493), (2054, 141892), (3002, 97084), (3734, 78052), (4108, 70946), (6004, 48542), (7468, 39026), (8216, 35473), (12008, 24271), (14936, 19513)]