221281872

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1693}}^1$

素因数の和:2100

約数の個数: 80

約数和(自身を含む): 655374720

約数和(自身を除く): 434092848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 389, 778, 1167, 1556, 1693, 2334, 2723, 3112, 3386, 4668, 5079, 5446, 6224, 6772, 8169, 9336, 10158, 10892, 11851, 13544, 16338, 18672, 20316, 21784, 23702, 27088, 32676, 35553, 40632, 43568, 47404, 65352, 71106, 81264, 94808, 130704, 142212, 189616, 284424, 568848, 658577, 1317154, 1975731, 2634308, 3951462, 4610039, 5268616, 7902924, 9220078, 10537232, 13830117, 15805848, 18440156, 27660234, 31611696, 36880312, 55320468, 73760624, 110640936, 221281872]

約数ペア:

[(1, 221281872), (2, 110640936), (3, 73760624), (4, 55320468), (6, 36880312), (7, 31611696), (8, 27660234), (12, 18440156), (14, 15805848), (16, 13830117), (21, 10537232), (24, 9220078), (28, 7902924), (42, 5268616), (48, 4610039), (56, 3951462), (84, 2634308), (112, 1975731), (168, 1317154), (336, 658577), (389, 568848), (778, 284424), (1167, 189616), (1556, 142212), (1693, 130704), (2334, 94808), (2723, 81264), (3112, 71106), (3386, 65352), (4668, 47404), (5079, 43568), (5446, 40632), (6224, 35553), (6772, 32676), (8169, 27088), (9336, 23702), (10158, 21784), (10892, 20316), (11851, 18672), (13544, 16338)]