1278632238

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{6661}}^1$

素因数の和:6809

約数の個数: 64

約数和(自身を含む): 2901007872

約数和(自身を除く): 1622375634

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 107, 138, 214, 299, 321, 598, 642, 897, 1391, 1794, 2461, 2782, 4173, 4922, 6661, 7383, 8346, 13322, 14766, 19983, 31993, 39966, 63986, 86593, 95979, 153203, 173186, 191958, 259779, 306406, 459609, 519558, 712727, 919218, 1425454, 1991639, 2138181, 3983278, 4276362, 5974917, 9265451, 11949834, 16392721, 18530902, 27796353, 32785442, 49178163, 55592706, 98356326, 213105373, 426210746, 639316119, 1278632238]

約数ペア:

[(1, 1278632238), (2, 639316119), (3, 426210746), (6, 213105373), (13, 98356326), (23, 55592706), (26, 49178163), (39, 32785442), (46, 27796353), (69, 18530902), (78, 16392721), (107, 11949834), (138, 9265451), (214, 5974917), (299, 4276362), (321, 3983278), (598, 2138181), (642, 1991639), (897, 1425454), (1391, 919218), (1794, 712727), (2461, 519558), (2782, 459609), (4173, 306406), (4922, 259779), (6661, 191958), (7383, 173186), (8346, 153203), (13322, 95979), (14766, 86593), (19983, 63986), (31993, 39966)]