217415718

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{977}}^1$

素因数の和:1318

約数の個数: 64

約数和(自身を含む): 522486720

約数和(自身を除く): 305071002

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 317, 351, 634, 702, 951, 977, 1902, 1954, 2853, 2931, 4121, 5706, 5862, 8242, 8559, 8793, 12363, 12701, 17118, 17586, 24726, 25402, 26379, 37089, 38103, 52758, 74178, 76206, 111267, 114309, 222534, 228618, 309709, 342927, 619418, 685854, 929127, 1858254, 2787381, 4026217, 5574762, 8052434, 8362143, 12078651, 16724286, 24157302, 36235953, 72471906, 108707859, 217415718]

約数ペア:

[(1, 217415718), (2, 108707859), (3, 72471906), (6, 36235953), (9, 24157302), (13, 16724286), (18, 12078651), (26, 8362143), (27, 8052434), (39, 5574762), (54, 4026217), (78, 2787381), (117, 1858254), (234, 929127), (317, 685854), (351, 619418), (634, 342927), (702, 309709), (951, 228618), (977, 222534), (1902, 114309), (1954, 111267), (2853, 76206), (2931, 74178), (4121, 52758), (5706, 38103), (5862, 37089), (8242, 26379), (8559, 25402), (8793, 24726), (12363, 17586), (12701, 17118)]