16903981808

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{8377}}^1$

素因数の和:8854

約数の個数: 80

約数和(自身を含む): 38396709120

約数和(自身を除く): 21492727312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 419, 602, 688, 838, 1204, 1676, 2408, 2933, 3352, 4816, 5866, 6704, 8377, 11732, 16754, 18017, 23464, 33508, 36034, 46928, 58639, 67016, 72068, 117278, 126119, 134032, 144136, 234556, 252238, 288272, 360211, 469112, 504476, 720422, 938224, 1008952, 1440844, 2017904, 2521477, 2881688, 3509963, 5042954, 5763376, 7019926, 10085908, 14039852, 20171816, 24569741, 28079704, 40343632, 49139482, 56159408, 98278964, 150928409, 196557928, 301856818, 393115856, 603713636, 1056498863, 1207427272, 2112997726, 2414854544, 4225995452, 8451990904, 16903981808]

約数ペア:

[(1, 16903981808), (2, 8451990904), (4, 4225995452), (7, 2414854544), (8, 2112997726), (14, 1207427272), (16, 1056498863), (28, 603713636), (43, 393115856), (56, 301856818), (86, 196557928), (112, 150928409), (172, 98278964), (301, 56159408), (344, 49139482), (419, 40343632), (602, 28079704), (688, 24569741), (838, 20171816), (1204, 14039852), (1676, 10085908), (2408, 7019926), (2933, 5763376), (3352, 5042954), (4816, 3509963), (5866, 2881688), (6704, 2521477), (8377, 2017904), (11732, 1440844), (16754, 1008952), (18017, 938224), (23464, 720422), (33508, 504476), (36034, 469112), (46928, 360211), (58639, 288272), (67016, 252238), (72068, 234556), (117278, 144136), (126119, 134032)]