199999206

素因数分解:

$2^1\times 3^5\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:237

約数の個数: 144

約数和(自身を含む): 522849600

約数和(自身を除く): 322850394

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 27, 33, 38, 54, 57, 66, 81, 99, 114, 121, 162, 171, 179, 198, 209, 242, 243, 297, 342, 358, 363, 418, 486, 513, 537, 594, 627, 726, 891, 1026, 1074, 1089, 1254, 1539, 1611, 1782, 1881, 1969, 2178, 2299, 2673, 3078, 3222, 3267, 3401, 3762, 3938, 4598, 4617, 4833, 5346, 5643, 5907, 6534, 6802, 6897, 9234, 9666, 9801, 10203, 11286, 11814, 13794, 14499, 16929, 17721, 19602, 20406, 20691, 21659, 28998, 29403, 30609, 33858, 35442, 37411, 41382, 43318, 43497, 50787, 53163, 58806, 61218, 62073, 64977, 74822, 86994, 91827, 101574, 106326, 112233, 124146, 129954, 159489, 183654, 186219, 194931, 224466, 275481, 318978, 336699, 372438, 389862, 411521, 478467, 550962, 558657, 584793, 673398, 823042, 826443, 956934, 1010097, 1117314, 1169586, 1234563, 1652886, 1754379, 2020194, 2469126, 3030291, 3508758, 3703689, 5263137, 6060582, 7407378, 9090873, 10526274, 11111067, 18181746, 22222134, 33333201, 66666402, 99999603, 199999206]

約数ペア:

[(1, 199999206), (2, 99999603), (3, 66666402), (6, 33333201), (9, 22222134), (11, 18181746), (18, 11111067), (19, 10526274), (22, 9090873), (27, 7407378), (33, 6060582), (38, 5263137), (54, 3703689), (57, 3508758), (66, 3030291), (81, 2469126), (99, 2020194), (114, 1754379), (121, 1652886), (162, 1234563), (171, 1169586), (179, 1117314), (198, 1010097), (209, 956934), (242, 826443), (243, 823042), (297, 673398), (342, 584793), (358, 558657), (363, 550962), (418, 478467), (486, 411521), (513, 389862), (537, 372438), (594, 336699), (627, 318978), (726, 275481), (891, 224466), (1026, 194931), (1074, 186219), (1089, 183654), (1254, 159489), (1539, 129954), (1611, 124146), (1782, 112233), (1881, 106326), (1969, 101574), (2178, 91827), (2299, 86994), (2673, 74822), (3078, 64977), (3222, 62073), (3267, 61218), (3401, 58806), (3762, 53163), (3938, 50787), (4598, 43497), (4617, 43318), (4833, 41382), (5346, 37411), (5643, 35442), (5907, 33858), (6534, 30609), (6802, 29403), (6897, 28998), (9234, 21659), (9666, 20691), (9801, 20406), (10203, 19602), (11286, 17721), (11814, 16929), (13794, 14499)]