217843045

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 325140480

約数和(自身を除く): 107297435

約数列:

[1, 5, 7, 31, 35, 41, 59, 83, 155, 205, 217, 287, 295, 413, 415, 581, 1085, 1271, 1435, 1829, 2065, 2419, 2573, 2905, 3403, 4897, 6355, 8897, 9145, 12095, 12803, 12865, 16933, 17015, 18011, 23821, 24485, 34279, 44485, 64015, 74989, 84665, 90055, 105493, 119105, 151807, 171395, 200777, 374945, 524923, 527465, 738451, 759035, 1003885, 1062649, 1405439, 2624615, 3692255, 5313245, 6224087, 7027195, 31120435, 43568609, 217843045]

約数ペア:

[(1, 217843045), (5, 43568609), (7, 31120435), (31, 7027195), (35, 6224087), (41, 5313245), (59, 3692255), (83, 2624615), (155, 1405439), (205, 1062649), (217, 1003885), (287, 759035), (295, 738451), (413, 527465), (415, 524923), (581, 374945), (1085, 200777), (1271, 171395), (1435, 151807), (1829, 119105), (2065, 105493), (2419, 90055), (2573, 84665), (2905, 74989), (3403, 64015), (4897, 44485), (6355, 34279), (8897, 24485), (9145, 23821), (12095, 18011), (12803, 17015), (12865, 16933)]