161720748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{641749}}^1$

素因数の和:641766

約数の個数: 36

約数和(自身を含む): 467194000

約数和(自身を除く): 305473252

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 641749, 1283498, 1925247, 2566996, 3850494, 4492243, 5775741, 7700988, 8984486, 11551482, 13476729, 17968972, 23102964, 26953458, 40430187, 53906916, 80860374, 161720748]

約数ペア:

[(1, 161720748), (2, 80860374), (3, 53906916), (4, 40430187), (6, 26953458), (7, 23102964), (9, 17968972), (12, 13476729), (14, 11551482), (18, 8984486), (21, 7700988), (28, 5775741), (36, 4492243), (42, 3850494), (63, 2566996), (84, 1925247), (126, 1283498), (252, 641749)]