213100525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{577}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 309623040

約数和(自身を除く): 96522515

約数列:

[1, 5, 11, 17, 25, 55, 79, 85, 187, 275, 395, 425, 577, 869, 935, 1343, 1975, 2885, 4345, 4675, 6347, 6715, 9809, 14425, 14773, 21725, 31735, 33575, 45583, 49045, 73865, 107899, 158675, 227915, 245225, 369325, 501413, 539495, 774911, 1139575, 2507065, 2697475, 3874555, 8524021, 12535325, 19372775, 42620105, 213100525]

約数ペア:

[(1, 213100525), (5, 42620105), (11, 19372775), (17, 12535325), (25, 8524021), (55, 3874555), (79, 2697475), (85, 2507065), (187, 1139575), (275, 774911), (395, 539495), (425, 501413), (577, 369325), (869, 245225), (935, 227915), (1343, 158675), (1975, 107899), (2885, 73865), (4345, 49045), (4675, 45583), (6347, 33575), (6715, 31735), (9809, 21725), (14425, 14773)]