16663876

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 32598720

約数和(自身を除く): 15934844

約数列:

[1, 2, 4, 17, 34, 41, 43, 68, 82, 86, 139, 164, 172, 278, 556, 697, 731, 1394, 1462, 1763, 2363, 2788, 2924, 3526, 4726, 5699, 5977, 7052, 9452, 11398, 11954, 22796, 23908, 29971, 59942, 96883, 101609, 119884, 193766, 203218, 245057, 387532, 406436, 490114, 980228, 4165969, 8331938, 16663876]

約数ペア:

[(1, 16663876), (2, 8331938), (4, 4165969), (17, 980228), (34, 490114), (41, 406436), (43, 387532), (68, 245057), (82, 203218), (86, 193766), (139, 119884), (164, 101609), (172, 96883), (278, 59942), (556, 29971), (697, 23908), (731, 22796), (1394, 11954), (1462, 11398), (1763, 9452), (2363, 7052), (2788, 5977), (2924, 5699), (3526, 4726)]