239911945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 372363264

約数和(自身を除く): 132451319

約数列:

[1, 5, 7, 13, 31, 35, 65, 73, 91, 155, 217, 233, 365, 403, 455, 511, 949, 1085, 1165, 1631, 2015, 2263, 2555, 2821, 3029, 4745, 6643, 7223, 8155, 11315, 14105, 15145, 15841, 17009, 21203, 29419, 33215, 36115, 50561, 79205, 85045, 93899, 106015, 119063, 147095, 205933, 221117, 252805, 469495, 527279, 595315, 657293, 1029665, 1105585, 1547819, 2636395, 3286465, 3690953, 6854627, 7739095, 18454765, 34273135, 47982389, 239911945]

約数ペア:

[(1, 239911945), (5, 47982389), (7, 34273135), (13, 18454765), (31, 7739095), (35, 6854627), (65, 3690953), (73, 3286465), (91, 2636395), (155, 1547819), (217, 1105585), (233, 1029665), (365, 657293), (403, 595315), (455, 527279), (511, 469495), (949, 252805), (1085, 221117), (1165, 205933), (1631, 147095), (2015, 119063), (2263, 106015), (2555, 93899), (2821, 85045), (3029, 79205), (4745, 50561), (6643, 36115), (7223, 33215), (8155, 29419), (11315, 21203), (14105, 17009), (15145, 15841)]