201018965

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 313611264

約数和(自身を除く): 112592299

約数列:

[1, 5, 7, 17, 23, 35, 37, 85, 115, 119, 161, 185, 259, 391, 397, 595, 629, 805, 851, 1295, 1955, 1985, 2737, 2779, 3145, 4255, 4403, 5957, 6749, 9131, 13685, 13895, 14467, 14689, 22015, 29785, 33745, 45655, 47243, 63917, 72335, 73445, 101269, 102823, 155227, 236215, 249713, 319585, 337847, 506345, 514115, 776135, 1086589, 1248565, 1689235, 1747991, 2364929, 5432945, 5743399, 8739955, 11824645, 28716995, 40203793, 201018965]

約数ペア:

[(1, 201018965), (5, 40203793), (7, 28716995), (17, 11824645), (23, 8739955), (35, 5743399), (37, 5432945), (85, 2364929), (115, 1747991), (119, 1689235), (161, 1248565), (185, 1086589), (259, 776135), (391, 514115), (397, 506345), (595, 337847), (629, 319585), (805, 249713), (851, 236215), (1295, 155227), (1955, 102823), (1985, 101269), (2737, 73445), (2779, 72335), (3145, 63917), (4255, 47243), (4403, 45655), (5957, 33745), (6749, 29785), (9131, 22015), (13685, 14689), (13895, 14467)]