1661566998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{6659}}^1$

素因数の和:7141

約数の個数: 64

約数和(自身を含む): 4099576320

約数和(自身を除く): 2438009322

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 457, 546, 914, 1371, 2742, 3199, 5941, 6398, 6659, 9597, 11882, 13318, 17823, 19194, 19977, 35646, 39954, 41587, 46613, 83174, 86567, 93226, 124761, 139839, 173134, 249522, 259701, 279678, 519402, 605969, 1211938, 1817907, 3043163, 3635814, 6086326, 9129489, 18258978, 21302141, 39561119, 42604282, 63906423, 79122238, 118683357, 127812846, 237366714, 276927833, 553855666, 830783499, 1661566998]

約数ペア:

[(1, 1661566998), (2, 830783499), (3, 553855666), (6, 276927833), (7, 237366714), (13, 127812846), (14, 118683357), (21, 79122238), (26, 63906423), (39, 42604282), (42, 39561119), (78, 21302141), (91, 18258978), (182, 9129489), (273, 6086326), (457, 3635814), (546, 3043163), (914, 1817907), (1371, 1211938), (2742, 605969), (3199, 519402), (5941, 279678), (6398, 259701), (6659, 249522), (9597, 173134), (11882, 139839), (13318, 124761), (17823, 93226), (19194, 86567), (19977, 83174), (35646, 46613), (39954, 41587)]