1640254315

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{33403}}^1$

素因数の和:33499

約数の個数: 32

約数和(自身を含む): 2385847296

約数和(自身を除く): 745592981

約数列:

[1, 5, 7, 23, 35, 61, 115, 161, 305, 427, 805, 1403, 2135, 7015, 9821, 33403, 49105, 167015, 233821, 768269, 1169105, 2037583, 3841345, 5377883, 10187915, 14263081, 26889415, 46864409, 71315405, 234322045, 328050863, 1640254315]

約数ペア:

[(1, 1640254315), (5, 328050863), (7, 234322045), (23, 71315405), (35, 46864409), (61, 26889415), (115, 14263081), (161, 10187915), (305, 5377883), (427, 3841345), (805, 2037583), (1403, 1169105), (2135, 768269), (7015, 233821), (9821, 167015), (33403, 49105)]