156721218

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 339628032

約数和(自身を除く): 182906814

約数列:

[1, 2, 3, 6, 23, 46, 47, 69, 73, 94, 138, 141, 146, 219, 282, 331, 438, 662, 993, 1081, 1679, 1986, 2162, 3243, 3358, 3431, 5037, 6486, 6862, 7613, 10074, 10293, 15226, 15557, 20586, 22839, 24163, 31114, 45678, 46671, 48326, 72489, 78913, 93342, 144978, 157826, 236739, 357811, 473478, 555749, 715622, 1073433, 1111498, 1135661, 1667247, 2146866, 2271322, 3334494, 3406983, 6813966, 26120203, 52240406, 78360609, 156721218]

約数ペア:

[(1, 156721218), (2, 78360609), (3, 52240406), (6, 26120203), (23, 6813966), (46, 3406983), (47, 3334494), (69, 2271322), (73, 2146866), (94, 1667247), (138, 1135661), (141, 1111498), (146, 1073433), (219, 715622), (282, 555749), (331, 473478), (438, 357811), (662, 236739), (993, 157826), (1081, 144978), (1679, 93342), (1986, 78913), (2162, 72489), (3243, 48326), (3358, 46671), (3431, 45678), (5037, 31114), (6486, 24163), (6862, 22839), (7613, 20586), (10074, 15557), (10293, 15226)]