247968175

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{677}}^1$

素因数の和:737

約数の個数: 72

約数和(自身を含む): 402536736

約数和(自身を除く): 154568561

約数列:

[1, 5, 7, 13, 23, 25, 35, 49, 65, 91, 115, 161, 175, 245, 299, 325, 455, 575, 637, 677, 805, 1127, 1225, 1495, 2093, 2275, 3185, 3385, 4025, 4739, 5635, 7475, 8801, 10465, 14651, 15571, 15925, 16925, 23695, 28175, 33173, 44005, 52325, 61607, 73255, 77855, 108997, 118475, 165865, 202423, 220025, 308035, 366275, 389275, 431249, 544985, 762979, 829325, 1012115, 1416961, 1540175, 2156245, 2724925, 3814895, 5060575, 7084805, 9918727, 10781225, 19074475, 35424025, 49593635, 247968175]

約数ペア:

[(1, 247968175), (5, 49593635), (7, 35424025), (13, 19074475), (23, 10781225), (25, 9918727), (35, 7084805), (49, 5060575), (65, 3814895), (91, 2724925), (115, 2156245), (161, 1540175), (175, 1416961), (245, 1012115), (299, 829325), (325, 762979), (455, 544985), (575, 431249), (637, 389275), (677, 366275), (805, 308035), (1127, 220025), (1225, 202423), (1495, 165865), (2093, 118475), (2275, 108997), (3185, 77855), (3385, 73255), (4025, 61607), (4739, 52325), (5635, 44005), (7475, 33173), (8801, 28175), (10465, 23695), (14651, 16925), (15571, 15925)]