218266972

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1511}}^1$

素因数の和:1607

約数の個数: 72

約数和(自身を含む): 492283008

約数和(自身を除く): 274016036

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 67, 77, 98, 134, 154, 196, 268, 308, 469, 539, 737, 938, 1078, 1474, 1511, 1876, 2156, 2948, 3022, 3283, 5159, 6044, 6566, 10318, 10577, 13132, 16621, 20636, 21154, 33242, 36113, 42308, 66484, 72226, 74039, 101237, 116347, 144452, 148078, 202474, 232694, 296156, 404948, 465388, 708659, 814429, 1113607, 1417318, 1628858, 2227214, 2834636, 3257716, 4454428, 4960613, 7795249, 9921226, 15590498, 19842452, 31180996, 54566743, 109133486, 218266972]

約数ペア:

[(1, 218266972), (2, 109133486), (4, 54566743), (7, 31180996), (11, 19842452), (14, 15590498), (22, 9921226), (28, 7795249), (44, 4960613), (49, 4454428), (67, 3257716), (77, 2834636), (98, 2227214), (134, 1628858), (154, 1417318), (196, 1113607), (268, 814429), (308, 708659), (469, 465388), (539, 404948), (737, 296156), (938, 232694), (1078, 202474), (1474, 148078), (1511, 144452), (1876, 116347), (2156, 101237), (2948, 74039), (3022, 72226), (3283, 66484), (5159, 42308), (6044, 36113), (6566, 33242), (10318, 21154), (10577, 20636), (13132, 16621)]