261566292

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{27487}}^1$

素因数の和:27568

約数の個数: 48

約数和(自身を含む): 668068352

約数和(自身を除く): 406502060

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 61, 78, 122, 156, 183, 244, 366, 732, 793, 1586, 2379, 3172, 4758, 9516, 27487, 54974, 82461, 109948, 164922, 329844, 357331, 714662, 1071993, 1429324, 1676707, 2143986, 3353414, 4287972, 5030121, 6706828, 10060242, 20120484, 21797191, 43594382, 65391573, 87188764, 130783146, 261566292]

約数ペア:

[(1, 261566292), (2, 130783146), (3, 87188764), (4, 65391573), (6, 43594382), (12, 21797191), (13, 20120484), (26, 10060242), (39, 6706828), (52, 5030121), (61, 4287972), (78, 3353414), (122, 2143986), (156, 1676707), (183, 1429324), (244, 1071993), (366, 714662), (732, 357331), (793, 329844), (1586, 164922), (2379, 109948), (3172, 82461), (4758, 54974), (9516, 27487)]