81201458

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 139525056

約数和(自身を除く): 58323598

約数列:

[1, 2, 13, 26, 37, 43, 74, 86, 151, 169, 302, 338, 481, 559, 962, 1118, 1591, 1963, 3182, 3926, 5587, 6253, 6493, 7267, 11174, 12506, 12986, 14534, 20683, 25519, 41366, 51038, 72631, 84409, 145262, 168818, 240241, 268879, 480482, 537758, 944203, 1097317, 1888406, 2194634, 3123133, 6246266, 40600729, 81201458]

約数ペア:

[(1, 81201458), (2, 40600729), (13, 6246266), (26, 3123133), (37, 2194634), (43, 1888406), (74, 1097317), (86, 944203), (151, 537758), (169, 480482), (302, 268879), (338, 240241), (481, 168818), (559, 145262), (962, 84409), (1118, 72631), (1591, 51038), (1963, 41366), (3182, 25519), (3926, 20683), (5587, 14534), (6253, 12986), (6493, 12506), (7267, 11174)]