217933982

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 408913920

約数和(自身を除く): 190979938

約数列:

[1, 2, 7, 14, 17, 34, 67, 79, 119, 134, 158, 173, 238, 346, 469, 553, 938, 1106, 1139, 1211, 1343, 2278, 2422, 2686, 2941, 5293, 5882, 7973, 9401, 10586, 11591, 13667, 15946, 18802, 20587, 23182, 27334, 37051, 41174, 74102, 81137, 89981, 95669, 162274, 179962, 191338, 197047, 232339, 394094, 464678, 629867, 915689, 1259734, 1379329, 1626373, 1831378, 2758658, 3252746, 6409823, 12819646, 15566713, 31133426, 108966991, 217933982]

約数ペア:

[(1, 217933982), (2, 108966991), (7, 31133426), (14, 15566713), (17, 12819646), (34, 6409823), (67, 3252746), (79, 2758658), (119, 1831378), (134, 1626373), (158, 1379329), (173, 1259734), (238, 915689), (346, 629867), (469, 464678), (553, 394094), (938, 232339), (1106, 197047), (1139, 191338), (1211, 179962), (1343, 162274), (2278, 95669), (2422, 89981), (2686, 81137), (2941, 74102), (5293, 41174), (5882, 37051), (7973, 27334), (9401, 23182), (10586, 20587), (11591, 18802), (13667, 15946)]