31371132

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 81984000

約数和(自身を除く): 50612868

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 169, 186, 338, 372, 403, 499, 507, 676, 806, 998, 1014, 1209, 1497, 1612, 1996, 2028, 2418, 2994, 4836, 5239, 5988, 6487, 10478, 12974, 15469, 15717, 19461, 20956, 25948, 30938, 31434, 38922, 46407, 61876, 62868, 77844, 84331, 92814, 168662, 185628, 201097, 252993, 337324, 402194, 505986, 603291, 804388, 1011972, 1206582, 2413164, 2614261, 5228522, 7842783, 10457044, 15685566, 31371132]

約数ペア:

[(1, 31371132), (2, 15685566), (3, 10457044), (4, 7842783), (6, 5228522), (12, 2614261), (13, 2413164), (26, 1206582), (31, 1011972), (39, 804388), (52, 603291), (62, 505986), (78, 402194), (93, 337324), (124, 252993), (156, 201097), (169, 185628), (186, 168662), (338, 92814), (372, 84331), (403, 77844), (499, 62868), (507, 61876), (676, 46407), (806, 38922), (998, 31434), (1014, 30938), (1209, 25948), (1497, 20956), (1612, 19461), (1996, 15717), (2028, 15469), (2418, 12974), (2994, 10478), (4836, 6487), (5239, 5988)]