217807674

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1277}}^1$

素因数の和:1451

約数の個数: 64

約数和(自身を含む): 518234112

約数和(自身を除く): 300426438

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 131, 186, 217, 262, 393, 434, 651, 786, 917, 1277, 1302, 1834, 2554, 2751, 3831, 4061, 5502, 7662, 8122, 8939, 12183, 17878, 24366, 26817, 28427, 39587, 53634, 56854, 79174, 85281, 118761, 167287, 170562, 237522, 277109, 334574, 501861, 554218, 831327, 1003722, 1171009, 1662654, 2342018, 3513027, 5185897, 7026054, 10371794, 15557691, 31115382, 36301279, 72602558, 108903837, 217807674]

約数ペア:

[(1, 217807674), (2, 108903837), (3, 72602558), (6, 36301279), (7, 31115382), (14, 15557691), (21, 10371794), (31, 7026054), (42, 5185897), (62, 3513027), (93, 2342018), (131, 1662654), (186, 1171009), (217, 1003722), (262, 831327), (393, 554218), (434, 501861), (651, 334574), (786, 277109), (917, 237522), (1277, 170562), (1302, 167287), (1834, 118761), (2554, 85281), (2751, 79174), (3831, 56854), (4061, 53634), (5502, 39587), (7662, 28427), (8122, 26817), (8939, 24366), (12183, 17878)]