1289015836

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1\times {\mathrm{431}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 2368880640

約数和(自身を除く): 1079864804

約数列:

[1, 2, 4, 31, 62, 89, 124, 178, 271, 356, 431, 542, 862, 1084, 1724, 2759, 5518, 8401, 11036, 13361, 16802, 24119, 26722, 33604, 38359, 48238, 53444, 76718, 96476, 116801, 153436, 233602, 467204, 747689, 1189129, 1495378, 2378258, 2990756, 3620831, 4756516, 7241662, 10395289, 14483324, 20790578, 41581156, 322253959, 644507918, 1289015836]

約数ペア:

[(1, 1289015836), (2, 644507918), (4, 322253959), (31, 41581156), (62, 20790578), (89, 14483324), (124, 10395289), (178, 7241662), (271, 4756516), (356, 3620831), (431, 2990756), (542, 2378258), (862, 1495378), (1084, 1189129), (1724, 747689), (2759, 467204), (5518, 233602), (8401, 153436), (11036, 116801), (13361, 96476), (16802, 76718), (24119, 53444), (26722, 48238), (33604, 38359)]