72700166

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 141419520

約数和(自身を除く): 68719354

約数列:

[1, 2, 7, 11, 14, 22, 61, 71, 77, 109, 122, 142, 154, 218, 427, 497, 671, 763, 781, 854, 994, 1199, 1342, 1526, 1562, 2398, 4331, 4697, 5467, 6649, 7739, 8393, 8662, 9394, 10934, 13298, 15478, 16786, 30317, 46543, 47641, 54173, 60634, 73139, 85129, 93086, 95282, 108346, 146278, 170258, 333487, 472079, 511973, 595903, 666974, 944158, 1023946, 1191806, 3304553, 5192869, 6609106, 10385738, 36350083, 72700166]

約数ペア:

[(1, 72700166), (2, 36350083), (7, 10385738), (11, 6609106), (14, 5192869), (22, 3304553), (61, 1191806), (71, 1023946), (77, 944158), (109, 666974), (122, 595903), (142, 511973), (154, 472079), (218, 333487), (427, 170258), (497, 146278), (671, 108346), (763, 95282), (781, 93086), (854, 85129), (994, 73139), (1199, 60634), (1342, 54173), (1526, 47641), (1562, 46543), (2398, 30317), (4331, 16786), (4697, 15478), (5467, 13298), (6649, 10934), (7739, 9394), (8393, 8662)]