165713639

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 218332800

約数和(自身を除く): 52619161

約数列:

[1, 7, 13, 37, 49, 79, 89, 91, 259, 481, 553, 623, 637, 1027, 1157, 1813, 2923, 3293, 3367, 3871, 4361, 7031, 7189, 8099, 20461, 23051, 23569, 37999, 42809, 49217, 50323, 56693, 91403, 143227, 161357, 260147, 265993, 299663, 344519, 639821, 1821029, 1861951, 2097641, 3381911, 4478747, 12747203, 23673377, 165713639]

約数ペア:

[(1, 165713639), (7, 23673377), (13, 12747203), (37, 4478747), (49, 3381911), (79, 2097641), (89, 1861951), (91, 1821029), (259, 639821), (481, 344519), (553, 299663), (623, 265993), (637, 260147), (1027, 161357), (1157, 143227), (1813, 91403), (2923, 56693), (3293, 50323), (3367, 49217), (3871, 42809), (4361, 37999), (7031, 23569), (7189, 23051), (8099, 20461)]