168607818

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:329

約数の個数: 80

約数和(自身を含む): 389530944

約数和(自身を除く): 220923126

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 107, 137, 142, 162, 213, 214, 274, 321, 411, 426, 639, 642, 822, 963, 1233, 1278, 1917, 1926, 2466, 2889, 3699, 3834, 5751, 5778, 7398, 7597, 8667, 9727, 11097, 11502, 14659, 15194, 17334, 19454, 22194, 22791, 29181, 29318, 43977, 45582, 58362, 68373, 87543, 87954, 131931, 136746, 175086, 205119, 262629, 263862, 395793, 410238, 525258, 615357, 787887, 791586, 1040789, 1187379, 1230714, 1575774, 2081578, 2374758, 3122367, 6244734, 9367101, 18734202, 28101303, 56202606, 84303909, 168607818]

約数ペア:

[(1, 168607818), (2, 84303909), (3, 56202606), (6, 28101303), (9, 18734202), (18, 9367101), (27, 6244734), (54, 3122367), (71, 2374758), (81, 2081578), (107, 1575774), (137, 1230714), (142, 1187379), (162, 1040789), (213, 791586), (214, 787887), (274, 615357), (321, 525258), (411, 410238), (426, 395793), (639, 263862), (642, 262629), (822, 205119), (963, 175086), (1233, 136746), (1278, 131931), (1917, 87954), (1926, 87543), (2466, 68373), (2889, 58362), (3699, 45582), (3834, 43977), (5751, 29318), (5778, 29181), (7398, 22791), (7597, 22194), (8667, 19454), (9727, 17334), (11097, 15194), (11502, 14659)]