201697465

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 263450880

約数和(自身を除く): 61753415

約数列:

[1, 5, 23, 29, 115, 145, 197, 307, 667, 985, 1535, 3335, 4531, 5713, 7061, 8903, 22655, 28565, 35305, 44515, 60479, 131399, 204769, 302395, 656995, 1023845, 1391017, 1753891, 6955085, 8769455, 40339493, 201697465]

約数ペア:

[(1, 201697465), (5, 40339493), (23, 8769455), (29, 6955085), (115, 1753891), (145, 1391017), (197, 1023845), (307, 656995), (667, 302395), (985, 204769), (1535, 131399), (3335, 60479), (4531, 44515), (5713, 35305), (7061, 28565), (8903, 22655)]