311915916

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{6871}}^1$

素因数の和:6991

約数の個数: 72

約数和(自身を含む): 857982944

約数和(自身を除く): 546067028

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 97, 117, 156, 194, 234, 291, 388, 468, 582, 873, 1164, 1261, 1746, 2522, 3492, 3783, 5044, 6871, 7566, 11349, 13742, 15132, 20613, 22698, 27484, 41226, 45396, 61839, 82452, 89323, 123678, 178646, 247356, 267969, 357292, 535938, 666487, 803907, 1071876, 1332974, 1607814, 1999461, 2665948, 3215628, 3998922, 5998383, 7997844, 8664331, 11996766, 17328662, 23993532, 25992993, 34657324, 51985986, 77978979, 103971972, 155957958, 311915916]

約数ペア:

[(1, 311915916), (2, 155957958), (3, 103971972), (4, 77978979), (6, 51985986), (9, 34657324), (12, 25992993), (13, 23993532), (18, 17328662), (26, 11996766), (36, 8664331), (39, 7997844), (52, 5998383), (78, 3998922), (97, 3215628), (117, 2665948), (156, 1999461), (194, 1607814), (234, 1332974), (291, 1071876), (388, 803907), (468, 666487), (582, 535938), (873, 357292), (1164, 267969), (1261, 247356), (1746, 178646), (2522, 123678), (3492, 89323), (3783, 82452), (5044, 61839), (6871, 45396), (7566, 41226), (11349, 27484), (13742, 22698), (15132, 20613)]