71335495

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 113541120

約数和(自身を除く): 42205625

約数列:

[1, 5, 7, 11, 31, 35, 43, 55, 77, 139, 155, 215, 217, 301, 341, 385, 473, 695, 973, 1085, 1333, 1505, 1529, 1705, 2365, 2387, 3311, 4309, 4865, 5977, 6665, 7645, 9331, 10703, 11935, 14663, 16555, 21545, 29885, 30163, 41839, 46655, 47399, 53515, 65747, 73315, 102641, 150815, 185287, 209195, 236995, 328735, 331793, 460229, 513205, 926435, 1297009, 1658965, 2038157, 2301145, 6485045, 10190785, 14267099, 71335495]

約数ペア:

[(1, 71335495), (5, 14267099), (7, 10190785), (11, 6485045), (31, 2301145), (35, 2038157), (43, 1658965), (55, 1297009), (77, 926435), (139, 513205), (155, 460229), (215, 331793), (217, 328735), (301, 236995), (341, 209195), (385, 185287), (473, 150815), (695, 102641), (973, 73315), (1085, 65747), (1333, 53515), (1505, 47399), (1529, 46655), (1705, 41839), (2365, 30163), (2387, 29885), (3311, 21545), (4309, 16555), (4865, 14663), (5977, 11935), (6665, 10703), (7645, 9331)]