209865982

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{1213}}^1$

素因数の和:1420

約数の個数: 32

約数和(自身を含む): 345261600

約数和(自身を除く): 135395618

約数列:

[1, 2, 19, 29, 38, 58, 157, 314, 551, 1102, 1213, 2426, 2983, 4553, 5966, 9106, 23047, 35177, 46094, 70354, 86507, 173014, 190441, 380882, 668363, 1336726, 3618379, 5522789, 7236758, 11045578, 104932991, 209865982]

約数ペア:

[(1, 209865982), (2, 104932991), (19, 11045578), (29, 7236758), (38, 5522789), (58, 3618379), (157, 1336726), (314, 668363), (551, 380882), (1102, 190441), (1213, 173014), (2426, 86507), (2983, 70354), (4553, 46094), (5966, 35177), (9106, 23047)]