201965155

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 307077120

約数和(自身を除く): 105111965

約数列:

[1, 5, 7, 19, 31, 35, 95, 97, 101, 133, 155, 217, 485, 505, 589, 665, 679, 707, 1085, 1843, 1919, 2945, 3007, 3131, 3395, 3535, 4123, 9215, 9595, 9797, 12901, 13433, 15035, 15655, 20615, 21049, 21917, 48985, 57133, 59489, 64505, 67165, 68579, 105245, 109585, 186143, 285665, 297445, 303707, 342895, 399931, 416423, 930715, 1303001, 1518535, 1999655, 2082115, 2125949, 5770433, 6515005, 10629745, 28852165, 40393031, 201965155]

約数ペア:

[(1, 201965155), (5, 40393031), (7, 28852165), (19, 10629745), (31, 6515005), (35, 5770433), (95, 2125949), (97, 2082115), (101, 1999655), (133, 1518535), (155, 1303001), (217, 930715), (485, 416423), (505, 399931), (589, 342895), (665, 303707), (679, 297445), (707, 285665), (1085, 186143), (1843, 109585), (1919, 105245), (2945, 68579), (3007, 67165), (3131, 64505), (3395, 59489), (3535, 57133), (4123, 48985), (9215, 21917), (9595, 21049), (9797, 20615), (12901, 15655), (13433, 15035)]